8117239896612 has 72 divisors (see below), whose sum is σ = 25581604531392. Its totient is φ = 2108373998400.

The previous prime is 8117239896533. The next prime is 8117239896637. The reversal of 8117239896612 is 2166989327118.

8117239896612 is a `hidden beast` number, since 8 + 1 + 1 + 7 + 2 + 3 + 9 + 8 + 9 + 6 + 612 = 666.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

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

It is a self number, because there is not a number n which added to its sum of digits gives 8117239896612.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1464145839 + ... + 1464151382.

It is an arithmetic number, because the mean of its divisors is an integer number (355300062936).

Almost surely, 2^{8117239896612} is an apocalyptic number.

It is an amenable number.

8117239896612 is an abundant number, since it is smaller than the sum of its proper divisors (17464364634780).

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

8117239896612 is a wasteful number, since it uses less digits than its factorization.

8117239896612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2928297249 (or 2928297244 counting only the distinct ones).

The product of its digits is 15676416, while the sum is 63.

The spelling of 8117239896612 in words is "eight trillion, one hundred seventeen billion, two hundred thirty-nine million, eight hundred ninety-six thousand, six hundred twelve".