812923912 has 64 divisors (see below), whose sum is σ = 1617154560. Its totient is φ = 382579200.

The previous prime is 812923897. The next prime is 812923927. The reversal of 812923912 is 219329218.

It is an interprime number because it is at equal distance from previous prime (812923897) and next prime (812923927).

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1502362 + ... + 1502902.

It is an arithmetic number, because the mean of its divisors is an integer number (25268040).

Almost surely, 2^812923912 is an apocalyptic number.

It is an amenable number.

812923912 is a deficient number, since it is larger than the sum of its proper divisors (804230648).

812923912 is a wasteful number, since it uses less digits than its factorization.

812923912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 734 (or 730 counting only the distinct ones).

The product of its digits is 15552, while the sum is 37.

The square root of 812923912 is about 28511.8205662143. The cubic root of 812923912 is about 933.2900436838.

It can be divided in two parts, 8129 and 23912, that added together give a square (32041 = 179²).

The spelling of 812923912 in words is "eight hundred twelve million, nine hundred twenty-three thousand, nine hundred twelve".