Fatto generale: 28810 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 28810 is an unremarkable number.
Trivia: 28810 is an uninteresting number.
Data storica: November 16th is the day in 1989 that a death squad composed of El Salvadoran army troops kills six Jesuit priests and two others at Jose Simeon Canas University.