8617157326872 has 48 divisors (see below), whose sum is σ = 23338326375000. Its totient is φ = 2872362151296.

The previous prime is 8617157326859. The next prime is 8617157326889. The reversal of 8617157326872 is 2786237517168.

It is a happy number.

8617157326872 is a `hidden beast` number, since 8 + 617 + 1 + 5 + 7 + 3 + 2 + 6 + 8 + 7 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9810004 + ... + 10652252.

Almost surely, 2^{8617157326872} is an apocalyptic number.

It is an amenable number.

8617157326872 is an abundant number, since it is smaller than the sum of its proper divisors (14721169048128).

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

8617157326872 is a wasteful number, since it uses less digits than its factorization.

8617157326872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 984360 (or 984353 counting only the distinct ones).

The product of its digits is 47416320, while the sum is 63.

The spelling of 8617157326872 in words is "eight trillion, six hundred seventeen billion, one hundred fifty-seven million, three hundred twenty-six thousand, eight hundred seventy-two".