870712988 has 24 divisors (see below), whose sum is σ = 1543555440. Its totient is φ = 429714560.

The previous prime is 870712967. The next prime is 870712993. The reversal of 870712988 is 889217078.

It is a happy number.

870712988 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×870712988² = 1516282214943776288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 241358 + ... + 244938.

It is an arithmetic number, because the mean of its divisors is an integer number (64314810).

Almost surely, 2^870712988 is an apocalyptic number.

It is an amenable number.

870712988 is a deficient number, since it is larger than the sum of its proper divisors (672842452).

870712988 is a wasteful number, since it uses less digits than its factorization.

870712988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4357 (or 4355 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 50.

The square root of 870712988 is about 29507.8462107962. The cubic root of 870712988 is about 954.9009840418.

The spelling of 870712988 in words is "eight hundred seventy million, seven hundred twelve thousand, nine hundred eighty-eight".