778960768 has 16 divisors (see below), whose sum is σ = 1551836160. Its totient is φ = 389480320.

The previous prime is 778960759. The next prime is 778960799. The reversal of 778960768 is 867069877.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3042688 + ... + 3042943.

It is an arithmetic number, because the mean of its divisors is an integer number (96989760).

Almost surely, 2^778960768 is an apocalyptic number.

It is an amenable number.

778960768 is a deficient number, since it is larger than the sum of its proper divisors (772875392).

778960768 is an equidigital number, since it uses as much as digits as its factorization.

778960768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6085645 (or 6085633 counting only the distinct ones).

The product of its (nonzero) digits is 7112448, while the sum is 58.

The square root of 778960768 is about 27909.8686489206. The cubic root of 778960768 is about 920.1074102697.

The spelling of 778960768 in words is "seven hundred seventy-eight million, nine hundred sixty thousand, seven hundred sixty-eight".