36872317218564 has 27 divisors (see below), whose sum is σ = 93205116176263. Its totient is φ = 12290760261672.

The previous prime is 36872317218547. The next prime is 36872317218571. The reversal of 36872317218564 is 46581271327863.

It is a happy number.

The square root of 36872317218564 is 6072258.

It is a perfect power (a square), and thus also a powerful number.

36872317218564 is a `hidden beast` number, since 3 + 6 + 87 + 2 + 317 + 2 + 185 + 64 = 666.

It is a super-2 number, since 2×36872317218564² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 35927527 + ... + 36939569.

Almost surely, 2^{36872317218564} is an apocalyptic number.

36872317218564 is the 6072258-th square number.

It is an amenable number.

36872317218564 is an abundant number, since it is smaller than the sum of its proper divisors (56332798957699).

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

36872317218564 is an frugal number, since it uses more digits than its factorization.

36872317218564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2024096 (or 1012048 counting only the distinct ones).

The product of its digits is 81285120, while the sum is 63.

The spelling of 36872317218564 in words is "thirty-six trillion, eight hundred seventy-two billion, three hundred seventeen million, two hundred eighteen thousand, five hundred sixty-four".