870678568155 has 16 divisors (see below), whose sum is σ = 1519729864704. Its totient is φ = 422147184480.

The previous prime is 870678568037. The next prime is 870678568163. The reversal of 870678568155 is 551865876078.

It is not a de Polignac number, because 870678568155 - 2⁹ = 870678567643 is a prime.

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, 2638419739 + ... + 2638420068.

It is an arithmetic number, because the mean of its divisors is an integer number (94983116544).

Almost surely, 2^870678568155 is an apocalyptic number.

870678568155 is a deficient number, since it is larger than the sum of its proper divisors (649051296549).

870678568155 is a wasteful number, since it uses less digits than its factorization.

870678568155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5276839826.

The product of its (nonzero) digits is 112896000, while the sum is 66.

The spelling of 870678568155 in words is "eight hundred seventy billion, six hundred seventy-eight million, five hundred sixty-eight thousand, one hundred fifty-five".