870458317922 has 54 divisors (see below), whose sum is σ = 1401710949891. Its totient is φ = 405331353600.

The previous prime is 870458317913. The next prime is 870458317957. The reversal of 870458317922 is 229713854078.

It can be written as a sum of positive squares in 5 ways, for example, as 845368074721 + 25090243201 = 919439^2 + 158399^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=659719.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 3386997218 + ... + 3386997474.

Almost surely, 2^870458317922 is an apocalyptic number.

870458317922 is a deficient number, since it is larger than the sum of its proper divisors (531252631969).

870458317922 is an equidigital number, since it uses as much as digits as its factorization.

870458317922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 852 (or 427 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 56.

The spelling of 870458317922 in words is "eight hundred seventy billion, four hundred fifty-eight million, three hundred seventeen thousand, nine hundred twenty-two".