Fait général: 8785 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 8785 is the number of 13-iamonds without holes.
Culture générale: 8785 is an uninteresting number.
Date historique: January 19th is the day in 379 that Emperor Gratian elevates Flavius Theodosius at Sirmium to Augustus, and gives him power over all the eastern provinces of the Roman Empire.