872408560580 has 24 divisors (see below), whose sum is σ = 1832370807960. Its totient is φ = 348903837440.

The previous prime is 872408560559. The next prime is 872408560603. The reversal of 872408560580 is 85065804278.

It can be written as a sum of positive squares in 4 ways, for example, as 78712384 + 872329848196 = 8872^2 + 933986^2 .

It is a super-2 number, since 2×872408560580² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3604025 + ... + 3838464.

It is an arithmetic number, because the mean of its divisors is an integer number (76348783665).

Almost surely, 2^872408560580 is an apocalyptic number.

It is an amenable number.

872408560580 is an abundant number, since it is smaller than the sum of its proper divisors (959962247380).

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

872408560580 is a wasteful number, since it uses less digits than its factorization.

872408560580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7448359 (or 7448357 counting only the distinct ones).

The product of its (nonzero) digits is 4300800, while the sum is 53.

The spelling of 872408560580 in words is "eight hundred seventy-two billion, four hundred eight million, five hundred sixty thousand, five hundred eighty".