870442345 has 16 divisors (see below), whose sum is σ = 1101804480. Its totient is φ = 658324800.

The previous prime is 870442327. The next prime is 870442393. The reversal of 870442345 is 543244078.

It is not a de Polignac number, because 870442345 - 2¹⁵ = 870409577 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37315 + ... + 55975.

It is an arithmetic number, because the mean of its divisors is an integer number (68862780).

Almost surely, 2^870442345 is an apocalyptic number.

It is an amenable number.

870442345 is a deficient number, since it is larger than the sum of its proper divisors (231362135).

870442345 is a wasteful number, since it uses less digits than its factorization.

870442345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19176.

The product of its (nonzero) digits is 107520, while the sum is 37.

The square root of 870442345 is about 29503.2599046275. The cubic root of 870442345 is about 954.8020367607.

The spelling of 870442345 in words is "eight hundred seventy million, four hundred forty-two thousand, three hundred forty-five".