872504656413654 has 32 divisors (see below), whose sum is σ = 1903647911463936. Its totient is φ = 264395157597920.

The previous prime is 872504656413623. The next prime is 872504656413679. The reversal of 872504656413654 is 456314656405278.

It is a super-2 number, since 2×872504656413654² (a number of 31 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (66).

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 15 ways as a sum of consecutive naturals, for example, 105258484 + ... + 113244680.

It is an arithmetic number, because the mean of its divisors is an integer number (59488997233248).

Almost surely, 2^{872504656413654} is an apocalyptic number.

872504656413654 is an abundant number, since it is smaller than the sum of its proper divisors (1031143255050282).

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

872504656413654 is a wasteful number, since it uses less digits than its factorization.

872504656413654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9641540.

The product of its (nonzero) digits is 580608000, while the sum is 66.

The spelling of 872504656413654 in words is "eight hundred seventy-two trillion, five hundred four billion, six hundred fifty-six million, four hundred thirteen thousand, six hundred fifty-four".