870646558602247 has 32 divisors (see below), whose sum is σ = 1116934165278720. Its totient is φ = 661342597655040.

The previous prime is 870646558602221. The next prime is 870646558602259. The reversal of 870646558602247 is 742206855646078.

It is a de Polignac number, because none of the positive numbers 2^k-870646558602247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (870646558602217) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3189208597 + ... + 3189481582.

It is an arithmetic number, because the mean of its divisors is an integer number (34904192664960).

Almost surely, 2^{870646558602247} is an apocalyptic number.

870646558602247 is a deficient number, since it is larger than the sum of its proper divisors (246287606676473).

870646558602247 is a wasteful number, since it uses less digits than its factorization.

870646558602247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6378690271.

The product of its (nonzero) digits is 1083801600, while the sum is 70.

The spelling of 870646558602247 in words is "eight hundred seventy trillion, six hundred forty-six billion, five hundred fifty-eight million, six hundred two thousand, two hundred forty-seven".