870238316171 has 24 divisors (see below), whose sum is σ = 1047494423040. Its totient is φ = 707990211936.

The previous prime is 870238316161. The next prime is 870238316177. The reversal of 870238316171 is 171613832078.

It is not a de Polignac number, because 870238316171 - 2⁶ = 870238316107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (870238316177) 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 23 ways as a sum of consecutive naturals, for example, 905411 + ... + 1600076.

It is an arithmetic number, because the mean of its divisors is an integer number (43645600960).

Almost surely, 2^870238316171 is an apocalyptic number.

870238316171 is a deficient number, since it is larger than the sum of its proper divisors (177256106869).

870238316171 is a wasteful number, since it uses less digits than its factorization.

870238316171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2505611 (or 2505582 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 47.

The spelling of 870238316171 in words is "eight hundred seventy billion, two hundred thirty-eight million, three hundred sixteen thousand, one hundred seventy-one".