870530871 has 32 divisors (see below), whose sum is σ = 1372192768. Its totient is φ = 480388320.

The previous prime is 870530839. The next prime is 870530891. The reversal of 870530871 is 178035078.

It is not a de Polignac number, because 870530871 - 2⁵ = 870530839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (870530821) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 394056 + ... + 396258.

It is an arithmetic number, because the mean of its divisors is an integer number (42881024).

Almost surely, 2^870530871 is an apocalyptic number.

870530871 is a deficient number, since it is larger than the sum of its proper divisors (501661897).

870530871 is a wasteful number, since it uses less digits than its factorization.

870530871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2851.

The product of its (nonzero) digits is 47040, while the sum is 39.

The square root of 870530871 is about 29504.7601413738. The cubic root of 870530871 is about 954.8344041887.

The spelling of 870530871 in words is "eight hundred seventy million, five hundred thirty thousand, eight hundred seventy-one".