Fatto generale: 7833 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 7833 is an unremarkable number.
Trivia: 7833 is an unremarkable number.
Data storica: June 11th is the day in 1345 that the megas doux Alexios Apokaukos, chief minister of the Byzantine Empire, is lynched by political prisoners.