870670638846216 has 64 divisors (see below), whose sum is σ = 2604570287155200. Its totient is φ = 267898658105664.

The previous prime is 870670638846157. The next prime is 870670638846233. The reversal of 870670638846216 is 612648836076078.

It is a happy number.

870670638846216 is a `hidden beast` number, since 8 + 7 + 0 + 6 + 70 + 6 + 3 + 88 + 462 + 16 = 666.

It is a super-2 number, since 2×870670638846216² (a number of 31 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155033942856 + ... + 155033948471.

It is an arithmetic number, because the mean of its divisors is an integer number (40696410736800).

Almost surely, 2^{870670638846216} is an apocalyptic number.

It is an amenable number.

870670638846216 is an abundant number, since it is smaller than the sum of its proper divisors (1733899648308984).

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

870670638846216 is a wasteful number, since it uses less digits than its factorization.

870670638846216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310067891355 (or 310067891345 counting only the distinct ones).

The product of its (nonzero) digits is 780337152, while the sum is 72.

The spelling of 870670638846216 in words is "eight hundred seventy trillion, six hundred seventy billion, six hundred thirty-eight million, eight hundred forty-six thousand, two hundred sixteen".