872197931224 has 32 divisors (see below), whose sum is σ = 1670947153920. Its totient is φ = 426620700576.

The previous prime is 872197931207. The next prime is 872197931317. The reversal of 872197931224 is 422139791278.

It is a congruent number.

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, 264547 + ... + 1346989.

It is an arithmetic number, because the mean of its divisors is an integer number (52217098560).

Almost surely, 2^872197931224 is an apocalyptic number.

It is an amenable number.

872197931224 is a deficient number, since it is larger than the sum of its proper divisors (798749222696).

872197931224 is a wasteful number, since it uses less digits than its factorization.

872197931224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1084639 (or 1084635 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 55.

The spelling of 872197931224 in words is "eight hundred seventy-two billion, one hundred ninety-seven million, nine hundred thirty-one thousand, two hundred twenty-four".