872410355865 has 48 divisors (see below), whose sum is σ = 1533249768960. Its totient is φ = 458839704960.

The previous prime is 872410355821. The next prime is 872410355881. The reversal of 872410355865 is 568553014278.

872410355865 is a `hidden beast` number, since 8 + 7 + 24 + 1 + 0 + 3 + 558 + 65 = 666.

It is not a de Polignac number, because 872410355865 - 2¹⁷ = 872410224793 is a prime.

It is a super-2 number, since 2×872410355865² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 713995 + ... + 1501535.

It is an arithmetic number, because the mean of its divisors is an integer number (31942703520).

Almost surely, 2^872410355865 is an apocalyptic number.

It is an amenable number.

872410355865 is a deficient number, since it is larger than the sum of its proper divisors (660839413095).

872410355865 is a wasteful number, since it uses less digits than its factorization.

872410355865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 787894 (or 787891 counting only the distinct ones).

The product of its (nonzero) digits is 8064000, while the sum is 54.

The spelling of 872410355865 in words is "eight hundred seventy-two billion, four hundred ten million, three hundred fifty-five thousand, eight hundred sixty-five".