870617284375027 has 16 divisors (see below), whose sum is σ = 1015659343782400. Its totient is φ = 745977155534856.

The previous prime is 870617284375021. The next prime is 870617284375043. The reversal of 870617284375027 is 720573482716078.

It is not a de Polignac number, because 870617284375027 - 2³⁹ = 870067528561139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (870617284375021) 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, 451811103 + ... + 453733960.

It is an arithmetic number, because the mean of its divisors is an integer number (63478708986400).

Almost surely, 2^{870617284375027} is an apocalyptic number.

870617284375027 is a deficient number, since it is larger than the sum of its proper divisors (145042059407373).

870617284375027 is an equidigital number, since it uses as much as digits as its factorization.

870617284375027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 905547887 (or 905547873 counting only the distinct ones).

The product of its (nonzero) digits is 221276160, while the sum is 67.

The spelling of 870617284375027 in words is "eight hundred seventy trillion, six hundred seventeen billion, two hundred eighty-four million, three hundred seventy-five thousand, twenty-seven".