870131975 has 12 divisors (see below), whose sum is σ = 1125875856. Its totient is φ = 665839680.

The previous prime is 870131953. The next prime is 870131981. The reversal of 870131975 is 579131078.

It is not a de Polignac number, because 870131975 - 2⁸ = 870131719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 756062 + ... + 757211.

It is an arithmetic number, because the mean of its divisors is an integer number (93822988).

Almost surely, 2^870131975 is an apocalyptic number.

870131975 is a deficient number, since it is larger than the sum of its proper divisors (255743881).

870131975 is a wasteful number, since it uses less digits than its factorization.

870131975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1513306 (or 1513301 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 41.

The square root of 870131975 is about 29497.9995084412. Note that the first 3 decimals coincide. The cubic root of 870131975 is about 954.6885400087.

It can be divided in two parts, 87013 and 1975, that added together give a palindrome (88988).

The spelling of 870131975 in words is "eight hundred seventy million, one hundred thirty-one thousand, nine hundred seventy-five".