769156864 has 36 divisors (see below), whose sum is σ = 1754643184. Its totient is φ = 329637888.

The previous prime is 769156859. The next prime is 769156907. The reversal of 769156864 is 468651967.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 212817 + ... + 216400.

Almost surely, 2^769156864 is an apocalyptic number.

It is an amenable number.

769156864 is an abundant number, since it is smaller than the sum of its proper divisors (985486320).

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

769156864 is an equidigital number, since it uses as much as digits as its factorization.

769156864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429240 (or 429226 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 52.

The square root of 769156864 is about 27733.6774337627. The cubic root of 769156864 is about 916.2309823476.

The spelling of 769156864 in words is "seven hundred sixty-nine million, one hundred fifty-six thousand, eight hundred sixty-four".