879216973647 has 16 divisors (see below), whose sum is σ = 1189004935680. Its totient is φ = 577789671200.

The previous prime is 879216973601. The next prime is 879216973693. The reversal of 879216973647 is 746379612978.

It is an interprime number because it is at equal distance from previous prime (879216973601) and next prime (879216973693).

It is a cyclic number.

It is not a de Polignac number, because 879216973647 - 2¹¹ = 879216971599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (879216973847) by changing a digit.

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, 896254 + ... + 1600532.

It is an arithmetic number, because the mean of its divisors is an integer number (74312808480).

Almost surely, 2^879216973647 is an apocalyptic number.

879216973647 is a deficient number, since it is larger than the sum of its proper divisors (309787962033).

879216973647 is a wasteful number, since it uses less digits than its factorization.

879216973647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710214.

The product of its digits is 192036096, while the sum is 69.

The spelling of 879216973647 in words is "eight hundred seventy-nine billion, two hundred sixteen million, nine hundred seventy-three thousand, six hundred forty-seven".