764438875 has 32 divisors (see below), whose sum is σ = 1023347520. Its totient is φ = 568339200.

The previous prime is 764438849. The next prime is 764438887. The reversal of 764438875 is 578834467.

764438875 is digitally balanced in base 2 and base 6, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 764438875 - 2⁷ = 764438747 is a prime.

It is a super-2 number, since 2×764438875² = 1168733587222531250, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 122839 + ... + 128911.

It is an arithmetic number, because the mean of its divisors is an integer number (31979610).

Almost surely, 2^764438875 is an apocalyptic number.

764438875 is a deficient number, since it is larger than the sum of its proper divisors (258908645).

764438875 is a wasteful number, since it uses less digits than its factorization.

764438875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6160 (or 6150 counting only the distinct ones).

The product of its digits is 4515840, while the sum is 52.

The square root of 764438875 is about 27648.4877524974. The cubic root of 764438875 is about 914.3537594969.

The spelling of 764438875 in words is "seven hundred sixty-four million, four hundred thirty-eight thousand, eight hundred seventy-five".