811130864 has 20 divisors (see below), whose sum is σ = 1573373256. Its totient is φ = 405099072.

The previous prime is 811130851. The next prime is 811130897. The reversal of 811130864 is 468031118.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 811130864.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14579 + ... + 42834.

Almost surely, 2^811130864 is an apocalyptic number.

It is an amenable number.

811130864 is a deficient number, since it is larger than the sum of its proper divisors (762242392).

811130864 is a wasteful number, since it uses less digits than its factorization.

811130864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58304 (or 58298 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 811130864 is about 28480.3592673969. The cubic root of 811130864 is about 932.6033596111.

The spelling of 811130864 in words is "eight hundred eleven million, one hundred thirty thousand, eight hundred sixty-four".