812862716 has 12 divisors (see below), whose sum is σ = 1437175488. Its totient is φ = 402241152.

The previous prime is 812862671. The next prime is 812862719. The reversal of 812862716 is 617268218.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (812862719) 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, 1047116 + ... + 1047891.

It is an arithmetic number, because the mean of its divisors is an integer number (119764624).

Almost surely, 2^812862716 is an apocalyptic number.

It is an amenable number.

812862716 is a deficient number, since it is larger than the sum of its proper divisors (624312772).

812862716 is a wasteful number, since it uses less digits than its factorization.

812862716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2095108 (or 2095106 counting only the distinct ones).

The product of its digits is 64512, while the sum is 41.

The square root of 812862716 is about 28510.7473770857. The cubic root of 812862716 is about 933.2666240870.

The spelling of 812862716 in words is "eight hundred twelve million, eight hundred sixty-two thousand, seven hundred sixteen".