872621842452 has 48 divisors (see below), whose sum is σ = 2153062270464. Its totient is φ = 274625280000.

The previous prime is 872621842447. The next prime is 872621842471. The reversal of 872621842452 is 254248126278.

It is a super-2 number, since 2×872621842452² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 872621842395 and 872621842404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28591549 + ... + 28622052.

It is an arithmetic number, because the mean of its divisors is an integer number (44855463968).

Almost surely, 2^872621842452 is an apocalyptic number.

872621842452 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

It is an amenable number.

872621842452 is an abundant number, since it is smaller than the sum of its proper divisors (1280440428012).

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

872621842452 is a wasteful number, since it uses less digits than its factorization.

872621842452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57213680 (or 57213678 counting only the distinct ones).

The product of its digits is 3440640, while the sum is 51.

The spelling of 872621842452 in words is "eight hundred seventy-two billion, six hundred twenty-one million, eight hundred forty-two thousand, four hundred fifty-two".