Fait général: 84786 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 84786 is an uninteresting number.
Culture générale: 84786 is an uninteresting number.
Date historique: February 19th is the day in 1649 that the Second Battle of Guararapes takes place, effectively ending Dutch colonization efforts in Brazil.