870131807 has 16 divisors (see below), whose sum is σ = 904630944. Its totient is φ = 836352000.

The previous prime is 870131797. The next prime is 870131813. The reversal of 870131807 is 708131078.

It is a cyclic number.

It is not a de Polignac number, because 870131807 - 2¹⁶ = 870066271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (870131827) 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, 1316057 + ... + 1316717.

It is an arithmetic number, because the mean of its divisors is an integer number (56539434).

Almost surely, 2^870131807 is an apocalyptic number.

870131807 is a deficient number, since it is larger than the sum of its proper divisors (34499137).

870131807 is a wasteful number, since it uses less digits than its factorization.

870131807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1130.

The product of its (nonzero) digits is 9408, while the sum is 35.

The square root of 870131807 is about 29497.9966607904. The cubic root of 870131807 is about 954.6884785668.

The spelling of 870131807 in words is "eight hundred seventy million, one hundred thirty-one thousand, eight hundred seven".