768613904 has 10 divisors (see below), whose sum is σ = 1489189470. Its totient is φ = 384306944.

The previous prime is 768613891. The next prime is 768613981. The reversal of 768613904 is 409316867.

It can be written as a sum of positive squares in only one way, i.e., 416976400 + 351637504 = 20420^2 + 18752^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24019169 + ... + 24019200.

It is an arithmetic number, because the mean of its divisors is an integer number (148918947).

Almost surely, 2^768613904 is an apocalyptic number.

It is an amenable number.

768613904 is a deficient number, since it is larger than the sum of its proper divisors (720575566).

768613904 is a wasteful number, since it uses less digits than its factorization.

768613904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48038377 (or 48038371 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 768613904 is about 27723.8868847786. The cubic root of 768613904 is about 916.0153376150.

The spelling of 768613904 in words is "seven hundred sixty-eight million, six hundred thirteen thousand, nine hundred four".