768827664 has 60 divisors (see below), whose sum is σ = 2347258992. Its totient is φ = 232977600.

The previous prime is 768827629. The next prime is 768827677. The reversal of 768827664 is 466728867.

It is a self number, because there is not a number n which added to its sum of digits gives 768827664.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 241102 + ... + 244269.

Almost surely, 2^768827664 is an apocalyptic number.

It is an amenable number.

768827664 is an abundant number, since it is smaller than the sum of its proper divisors (1578431328).

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

768827664 is a wasteful number, since it uses less digits than its factorization.

768827664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485396 (or 485387 counting only the distinct ones).

The product of its digits is 5419008, while the sum is 54.

The square root of 768827664 is about 27727.7417760625. The cubic root of 768827664 is about 916.1002477318.

The spelling of 768827664 in words is "seven hundred sixty-eight million, eight hundred twenty-seven thousand, six hundred sixty-four".