"Archi, a Daghestanian language traditionally assigned to Lezgian group, has an amazingly rich system of inflectional morphology. The mere size of verbal paradigm strains credibility: grammar description calculates that a verb has in principle 1,502,839 forms (Kibrik et al, 1977)."
https://www.digitorient.com/wp/wp-content/uploads/2006/10/Chumakina122004.pdf