764912939 has 16 divisors (see below), whose sum is σ = 899931648. Its totient is φ = 636515712.

The previous prime is 764912927. The next prime is 764912971. The reversal of 764912939 is 939219467.

It is not a de Polignac number, because 764912939 - 2²⁴ = 748135723 is a prime.

It is not an unprimeable number, because it can be changed into a prime (764912989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42659 + ... + 57875.

It is an arithmetic number, because the mean of its divisors is an integer number (56245728).

Almost surely, 2^764912939 is an apocalyptic number.

764912939 is a deficient number, since it is larger than the sum of its proper divisors (135018709).

764912939 is a wasteful number, since it uses less digits than its factorization.

764912939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15434.

The product of its digits is 734832, while the sum is 50.

The square root of 764912939 is about 27657.0594785491. The cubic root of 764912939 is about 914.5427314964.

The spelling of 764912939 in words is "seven hundred sixty-four million, nine hundred twelve thousand, nine hundred thirty-nine".