878805873410631 has 16 divisors (see below), whose sum is σ = 1189233312240000. Its totient is φ = 577124559510048.

The previous prime is 878805873410603. The next prime is 878805873410639. The reversal of 878805873410631 is 136014378508878.

It is not a de Polignac number, because 878805873410631 - 2⁷ = 878805873410503 is a prime.

It is a super-2 number, since 2×878805873410631² (a number of 31 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (878805873410639) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64556620 + ... + 76975118.

It is an arithmetic number, because the mean of its divisors is an integer number (74327082015000).

Almost surely, 2^{878805873410631} is an apocalyptic number.

878805873410631 is a deficient number, since it is larger than the sum of its proper divisors (310427438829369).

878805873410631 is a wasteful number, since it uses less digits than its factorization.

878805873410631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12770638.

The product of its (nonzero) digits is 216760320, while the sum is 69.

The spelling of 878805873410631 in words is "eight hundred seventy-eight trillion, eight hundred five billion, eight hundred seventy-three million, four hundred ten thousand, six hundred thirty-one".