872392041636 has 48 divisors (see below), whose sum is σ = 2059271350080. Its totient is φ = 287420958720.

The previous prime is 872392041617. The next prime is 872392041739. The reversal of 872392041636 is 636140293278.

It is a super-2 number, since 2×872392041636² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 393375 + ... + 1378233.

It is an arithmetic number, because the mean of its divisors is an integer number (42901486460).

Almost surely, 2^872392041636 is an apocalyptic number.

It is an amenable number.

872392041636 is an abundant number, since it is smaller than the sum of its proper divisors (1186879308444).

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

872392041636 is a wasteful number, since it uses less digits than its factorization.

872392041636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 985724 (or 985722 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 51.

The spelling of 872392041636 in words is "eight hundred seventy-two billion, three hundred ninety-two million, forty-one thousand, six hundred thirty-six".