872550774592 has 28 divisors (see below), whose sum is σ = 1978820507680. Its totient is φ = 373950331776.

The previous prime is 872550774509. The next prime is 872550774637. The reversal of 872550774592 is 295477055278.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (28).

It is a super-2 number, since 2×872550774592² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 872550774592.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 973828542 + ... + 973829437.

Almost surely, 2^872550774592 is an apocalyptic number.

It is an amenable number.

872550774592 is an abundant number, since it is smaller than the sum of its proper divisors (1106269733088).

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

872550774592 is a wasteful number, since it uses less digits than its factorization.

872550774592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1947657998 (or 1947657988 counting only the distinct ones).

The product of its (nonzero) digits is 49392000, while the sum is 61.

The spelling of 872550774592 in words is "eight hundred seventy-two billion, five hundred fifty million, seven hundred seventy-four thousand, five hundred ninety-two".