870670013605647 has 8 divisors (see below), whose sum is σ = 1162349930337456. Its totient is φ = 579718386305472.

The previous prime is 870670013605631. The next prime is 870670013605649. The reversal of 870670013605647 is 746506310076078.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 870670013605647 - 2⁴ = 870670013605631 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (870670013605649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182072355118 + ... + 182072359899.

It is an arithmetic number, because the mean of its divisors is an integer number (145293741292182).

Almost surely, 2^{870670013605647} is an apocalyptic number.

870670013605647 is a deficient number, since it is larger than the sum of its proper divisors (291679916731809).

870670013605647 is a wasteful number, since it uses less digits than its factorization.

870670013605647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364144715817.

The product of its (nonzero) digits is 35562240, while the sum is 60.

The spelling of 870670013605647 in words is "eight hundred seventy trillion, six hundred seventy billion, thirteen million, six hundred five thousand, six hundred forty-seven".