Fatto generale: 5078 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 5078 is the number of rectangles with corners on an 12×12 grid of points.
Trivia: 5078 is a boring number.
Data storica: November 25th is the day in 1833 that a massive undersea earthquake, estimated magnitude between 8.7-9.2 rocks Sumatra, producing a massive tsunami all along the Indonesian coast.