312798958920 has 192 divisors, whose sum is σ = 1230167502720. Its totient is φ = 67291195392.

The previous prime is 312798958891. The next prime is 312798958933. The reversal of 312798958920 is 29859897213.

312798958920 is a `hidden beast` number, since 3 + 1 + 27 + 9 + 8 + 9 + 589 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3607942 + ... + 3693621.

It is an arithmetic number, because the mean of its divisors is an integer number (6407122410).

Almost surely, 2^312798958920 is an apocalyptic number.

312798958920 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

312798958920 is an abundant number, since it is smaller than the sum of its proper divisors (917368543800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

312798958920 is a wasteful number, since it uses less digits than its factorization.

312798958920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7301604 (or 7301597 counting only the distinct ones).

The product of its (nonzero) digits is 19595520, while the sum is 63.

The spelling of 312798958920 in words is "three hundred twelve billion, seven hundred ninety-eight million, nine hundred fifty-eight thousand, nine hundred twenty".