872592022580 has 18 divisors (see below), whose sum is σ = 1832452020294. Its totient is φ = 349035138016.

The previous prime is 872592022579. The next prime is 872592022597. The reversal of 872592022580 is 85220295278.

It can be written as a sum of positive squares in 3 ways, for example, as 433232505616 + 439359516964 = 658204^2 + 662842^2 .

It is a super-2 number, since 2×872592022580² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4073102 + ... + 4281978.

Almost surely, 2^872592022580 is an apocalyptic number.

It is an amenable number.

872592022580 is an abundant number, since it is smaller than the sum of its proper divisors (959859997714).

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

872592022580 is an frugal number, since it uses more digits than its factorization.

872592022580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417763 (or 208884 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 50.

The spelling of 872592022580 in words is "eight hundred seventy-two billion, five hundred ninety-two million, twenty-two thousand, five hundred eighty".