872551580 has 12 divisors (see below), whose sum is σ = 1832358360. Its totient is φ = 349020624.

The previous prime is 872551579. The next prime is 872551591. The reversal of 872551580 is 85155278.

It is a super-3 number, since 3×872551580³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 21813770 + ... + 21813809.

It is an arithmetic number, because the mean of its divisors is an integer number (152696530).

Almost surely, 2^872551580 is an apocalyptic number.

It is an amenable number.

872551580 is an abundant number, since it is smaller than the sum of its proper divisors (959806780).

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

872551580 is a wasteful number, since it uses less digits than its factorization.

872551580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43627588 (or 43627586 counting only the distinct ones).

The product of its (nonzero) digits is 112000, while the sum is 41.

The square root of 872551580 is about 29538.9840719006. The cubic root of 872551580 is about 955.5726324593.

The spelling of 872551580 in words is "eight hundred seventy-two million, five hundred fifty-one thousand, five hundred eighty".