765156968 has 8 divisors (see below), whose sum is σ = 1434669330. Its totient is φ = 382578480.

The previous prime is 765156943. The next prime is 765156971. The reversal of 765156968 is 869651567.

It can be written as a sum of positive squares in only one way, i.e., 751746724 + 13410244 = 27418^2 + 3662^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 47822303 + ... + 47822318.

Almost surely, 2^765156968 is an apocalyptic number.

It is an amenable number.

765156968 is a deficient number, since it is larger than the sum of its proper divisors (669512362).

765156968 is a wasteful number, since it uses less digits than its factorization.

765156968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95644627 (or 95644623 counting only the distinct ones).

The product of its digits is 2721600, while the sum is 53.

The square root of 765156968 is about 27661.4708213428. The cubic root of 765156968 is about 914.6399762102.

The spelling of 765156968 in words is "seven hundred sixty-five million, one hundred fifty-six thousand, nine hundred sixty-eight".