872579971072 has 24 divisors (see below), whose sum is σ = 1744733881800. Its totient is φ = 436289984512.

The previous prime is 872579971069. The next prime is 872579971117. The reversal of 872579971072 is 270179975278.

It is a super-2 number, since 2×872579971072² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (64).

It is a junction number, because it is equal to n+sod(n) for n = 872579970995 and 872579971013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213030172 + ... + 213034267.

It is an arithmetic number, because the mean of its divisors is an integer number (72697245075).

Almost surely, 2^872579971072 is an apocalyptic number.

It is an amenable number.

872579971072 is a deficient number, since it is larger than the sum of its proper divisors (872153910728).

872579971072 is an equidigital number, since it uses as much as digits as its factorization.

872579971072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426064461 (or 426064441 counting only the distinct ones).

The product of its (nonzero) digits is 31116960, while the sum is 64.

The spelling of 872579971072 in words is "eight hundred seventy-two billion, five hundred seventy-nine million, nine hundred seventy-one thousand, seventy-two".