865902964 has 6 divisors (see below), whose sum is σ = 1515330194. Its totient is φ = 432951480.

The previous prime is 865902913. The next prime is 865902977. The reversal of 865902964 is 469209568.

865902964 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 497646864 + 368256100 = 22308^2 + 19190^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108237867 + ... + 108237874.

Almost surely, 2^865902964 is an apocalyptic number.

It is an amenable number.

865902964 is a deficient number, since it is larger than the sum of its proper divisors (649427230).

865902964 is a wasteful number, since it uses less digits than its factorization.

865902964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216475745 (or 216475743 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 49.

The square root of 865902964 is about 29426.2291841819. The cubic root of 865902964 is about 953.1393700731.

The spelling of 865902964 in words is "eight hundred sixty-five million, nine hundred two thousand, nine hundred sixty-four".