812888768 has 14 divisors (see below), whose sum is σ = 1613076276. Its totient is φ = 406444352.

The previous prime is 812888731. The next prime is 812888771. The reversal of 812888768 is 867888218.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6350630 + ... + 6350757.

It is an arithmetic number, because the mean of its divisors is an integer number (115219734).

Almost surely, 2^812888768 is an apocalyptic number.

It is an amenable number.

812888768 is a deficient number, since it is larger than the sum of its proper divisors (800187508).

812888768 is a wasteful number, since it uses less digits than its factorization.

812888768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12701399 (or 12701389 counting only the distinct ones).

The product of its digits is 2752512, while the sum is 56.

The square root of 812888768 is about 28511.2042537666. The cubic root of 812888768 is about 933.2765942832.

The spelling of 812888768 in words is "eight hundred twelve million, eight hundred eighty-eight thousand, seven hundred sixty-eight".