870630870 has 16 divisors (see below), whose sum is σ = 2089514160. Its totient is φ = 232168224.

The previous prime is 870630869. The next prime is 870630931. The reversal of 870630870 is 78036078.

It is a super-2 number, since 2×870630870² = 1515996223593913800, which contains 22 as substring.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 14510485 + ... + 14510544.

It is an arithmetic number, because the mean of its divisors is an integer number (130594635).

Almost surely, 2^870630870 is an apocalyptic number.

870630870 is an abundant number, since it is smaller than the sum of its proper divisors (1218883290).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

870630870 is a wasteful number, since it uses less digits than its factorization.

870630870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29021039.

The product of its (nonzero) digits is 56448, while the sum is 39.

The square root of 870630870 is about 29506.4547175698. The cubic root of 870630870 is about 954.8709638073.

The spelling of 870630870 in words is "eight hundred seventy million, six hundred thirty thousand, eight hundred seventy".