764936913 has 16 divisors (see below), whose sum is σ = 1162982016. Its totient is φ = 443040000.

The previous prime is 764936911. The next prime is 764936971. The reversal of 764936913 is 319639467.

It is not a de Polignac number, because 764936913 - 2¹ = 764936911 is a prime.

It is not an unprimeable number, because it can be changed into a prime (764936911) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 576213 + ... + 577538.

It is an arithmetic number, because the mean of its divisors is an integer number (72686376).

Almost surely, 2^764936913 is an apocalyptic number.

It is an amenable number.

764936913 is a deficient number, since it is larger than the sum of its proper divisors (398045103).

764936913 is a wasteful number, since it uses less digits than its factorization.

764936913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1153784.

The product of its digits is 734832, while the sum is 48.

The square root of 764936913 is about 27657.4928907159. The cubic root of 764936913 is about 914.5522859687.

The spelling of 764936913 in words is "seven hundred sixty-four million, nine hundred thirty-six thousand, nine hundred thirteen".