Fait général: 27890 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 27890 is a boring number.
Culture générale: 27890 is an uninteresting number.
Date historique: May 10th is the day in 1960 that the nuclear submarine USS Triton completes Operation Sandblast, the first underwater circumnavigation of the earth.