765959013 has 6 divisors (see below), whose sum is σ = 1106385254. Its totient is φ = 510639336.

The previous prime is 765959011. The next prime is 765959017. The reversal of 765959013 is 310959567.

765959013 is a `hidden beast` number, since 7 + 6 + 59 + 590 + 1 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 417875364 + 348083649 = 20442^2 + 18657^2 .

It is not a de Polignac number, because 765959013 - 2¹ = 765959011 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 765959013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (765959011) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 42553270 + ... + 42553287.

Almost surely, 2^765959013 is an apocalyptic number.

It is an amenable number.

765959013 is a deficient number, since it is larger than the sum of its proper divisors (340426241).

765959013 is a wasteful number, since it uses less digits than its factorization.

765959013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85106563 (or 85106560 counting only the distinct ones).

The product of its (nonzero) digits is 255150, while the sum is 45.

The square root of 765959013 is about 27675.9645360374. The cubic root of 765959013 is about 914.9594427961.

The spelling of 765959013 in words is "seven hundred sixty-five million, nine hundred fifty-nine thousand, thirteen".