870612388068556 has 12 divisors (see below), whose sum is σ = 1741224776137168. Its totient is φ = 373119594886512.

The previous prime is 870612388068551. The next prime is 870612388068559. The reversal of 870612388068556 is 655860883216078.

870612388068556 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

870612388068556 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (870612388068551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15546649786911 + ... + 15546649786966.

Almost surely, 2^{870612388068556} is an apocalyptic number.

It is an amenable number.

870612388068556 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

870612388068556 is a wasteful number, since it uses less digits than its factorization.

870612388068556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31093299573888 (or 31093299573886 counting only the distinct ones).

The product of its (nonzero) digits is 928972800, while the sum is 73.

The spelling of 870612388068556 in words is "eight hundred seventy trillion, six hundred twelve billion, three hundred eighty-eight million, sixty-eight thousand, five hundred fifty-six".