872309387125 has 32 divisors (see below), whose sum is σ = 1250115384960. Its totient is φ = 601016976000.

The previous prime is 872309387083. The next prime is 872309387137. The reversal of 872309387125 is 521783903278.

It is not a de Polignac number, because 872309387125 - 2¹⁷ = 872309256053 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16668792 + ... + 16721041.

It is an arithmetic number, because the mean of its divisors is an integer number (39066105780).

Almost surely, 2^872309387125 is an apocalyptic number.

It is an amenable number.

872309387125 is a deficient number, since it is larger than the sum of its proper divisors (377805997835).

872309387125 is a wasteful number, since it uses less digits than its factorization.

872309387125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33389878 (or 33389868 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 55.

The spelling of 872309387125 in words is "eight hundred seventy-two billion, three hundred nine million, three hundred eighty-seven thousand, one hundred twenty-five".