778792260 has 48 divisors (see below), whose sum is σ = 2181940992. Its totient is φ = 207552000.

The previous prime is 778792211. The next prime is 778792283. The reversal of 778792260 is 62297877.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138300 + ... + 143820.

It is an arithmetic number, because the mean of its divisors is an integer number (45457104).

Almost surely, 2^778792260 is an apocalyptic number.

It is an amenable number.

778792260 is an abundant number, since it is smaller than the sum of its proper divisors (1403148732).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

778792260 is a wasteful number, since it uses less digits than its factorization.

778792260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7884 (or 7882 counting only the distinct ones).

The product of its (nonzero) digits is 592704, while the sum is 48.

The square root of 778792260 is about 27906.8496968038. The cubic root of 778792260 is about 920.0410583440.

The spelling of 778792260 in words is "seven hundred seventy-eight million, seven hundred ninety-two thousand, two hundred sixty".