765309164 has 12 divisors (see below), whose sum is σ = 1340641344. Its totient is φ = 382268784.

The previous prime is 765309163. The next prime is 765309169. The reversal of 765309164 is 461903567.

It is not an unprimeable number, because it can be changed into a prime (765309163) 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 3 ways as a sum of consecutive naturals, for example, 91964 + ... + 99939.

It is an arithmetic number, because the mean of its divisors is an integer number (111720112).

Almost surely, 2^765309164 is an apocalyptic number.

It is an amenable number.

765309164 is a deficient number, since it is larger than the sum of its proper divisors (575332180).

765309164 is a wasteful number, since it uses less digits than its factorization.

765309164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192904 (or 192902 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 765309164 is about 27664.2217313265. The cubic root of 765309164 is about 914.7006153221.

The spelling of 765309164 in words is "seven hundred sixty-five million, three hundred nine thousand, one hundred sixty-four".