870640846642700 has 72 divisors (see below), whose sum is σ = 2162611153860864. Its totient is φ = 298032365736000.

The previous prime is 870640846642573. The next prime is 870640846642747. The reversal of 870640846642700 is 7246648046078.

It is a happy number.

It is a super-2 number, since 2×870640846642700² (a number of 31 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 985115066 + ... + 985998465.

Almost surely, 2^{870640846642700} is an apocalyptic number.

It is an amenable number.

870640846642700 is an abundant number, since it is smaller than the sum of its proper divisors (1291970307218164).

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

870640846642700 is a wasteful number, since it uses less digits than its factorization.

870640846642700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1971114183 (or 1971114176 counting only the distinct ones).

The product of its (nonzero) digits is 86704128, while the sum is 62.

The spelling of 870640846642700 in words is "eight hundred seventy trillion, six hundred forty billion, eight hundred forty-six million, six hundred forty-two thousand, seven hundred".