865052264 has 16 divisors (see below), whose sum is σ = 1692493920. Its totient is φ = 413720560.

The previous prime is 865052261. The next prime is 865052297. The reversal of 865052264 is 462250568.

It is not an unprimeable number, because it can be changed into a prime (865052261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2350502 + ... + 2350869.

It is an arithmetic number, because the mean of its divisors is an integer number (105780870).

Almost surely, 2^865052264 is an apocalyptic number.

It is an amenable number.

865052264 is a deficient number, since it is larger than the sum of its proper divisors (827441656).

865052264 is a wasteful number, since it uses less digits than its factorization.

865052264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4701400 (or 4701396 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 38.

The square root of 865052264 is about 29411.7708409405. The cubic root of 865052264 is about 952.8271328771.

The spelling of 865052264 in words is "eight hundred sixty-five million, fifty-two thousand, two hundred sixty-four".