Fait général: 17779 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 17779 is an uninteresting number.
Culture générale: 17779 is an unremarkable number.
Date historique: September 3rd is the day in 1914 that William, Prince of Albania leaves the country after just six months due to opposition to his rule.