The article is devoted to the problem of normative and use of numerals in the information space (professional communication, communication in the media and everyday contacts). Attention is drawn to the consistently large number of errors in the functioning of this part of speech, analysed violations of the literary norm in numerals at the phonetic, accentual and morphological levels, provides typical errors and recommendations for their correction and prevention. The relevance of the study of this linguistic pathology is that the numerator occupies one of the first places in the register of non-normative use of linguistic units of modern Ukrainian literary language, although it is semantically limited exact lexical unit that expresses such an important conceptual category as quantitative. Violations related to this part of the language distort the content of the message, leading to significant errors in many areas of professional communication, where accuracy and completeness are paramount. In addition, they can cause negative consequences in the real technological process in production. Such non-normative use does not contribute to the establishment and development of normal communication of communicators at the household level, when there is a need for specific dosed information, and sometimes even becomes a lingual tool of fraudulent spheres. Theoretical postulates on the functioning of numerals do not sufficiently regulate the oral aspect of its use. Although these rules are not complicated and can be easily assimilated by native speakers, the number of errors in this part of the language not only does not decrease, but, conversely, increases exponentially. This, of course, requires the immediate intervention of linguists. The article provides brief recommendations for mastering certain grammatical categories that characterize this part of speech and allow you to easily get rid of negative lingual habits. Particular emphasis is placed on the specifics of the functioning of numerals in professional communication, as they are one of the main applicants in the professional field, including special text. Knowledge of language and literary norms is an important element of the linguistic portrait of a specialist, which is an important tool of competition in the modern world.