872662268928 has 88 divisors (see below), whose sum is σ = 2360679528832. Its totient is φ = 286545752064.

The previous prime is 872662268921. The next prime is 872662268941. The reversal of 872662268928 is 829862266278.

It is a happy number.

It is a super-2 number, since 2×872662268928² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (872662268921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1914100 + ... + 2325747.

Almost surely, 2^872662268928 is an apocalyptic number.

It is an amenable number.

872662268928 is an abundant number, since it is smaller than the sum of its proper divisors (1488017259904).

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

872662268928 is a wasteful number, since it uses less digits than its factorization.

872662268928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4239937 (or 4239919 counting only the distinct ones).

The product of its digits is 111476736, while the sum is 66.

The spelling of 872662268928 in words is "eight hundred seventy-two billion, six hundred sixty-two million, two hundred sixty-eight thousand, nine hundred twenty-eight".