870644058566788 has 12 divisors (see below), whose sum is σ = 1662138657263952. Its totient is φ = 395747299348520.

The previous prime is 870644058566767. The next prime is 870644058566797. The reversal of 870644058566788 is 887665850446078.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9893682483670 + ... + 9893682483757.

It is an arithmetic number, because the mean of its divisors is an integer number (138511554771996).

Almost surely, 2^{870644058566788} is an apocalyptic number.

It is an amenable number.

870644058566788 is a deficient number, since it is larger than the sum of its proper divisors (791494598697164).

870644058566788 is a wasteful number, since it uses less digits than its factorization.

870644058566788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19787364967442 (or 19787364967440 counting only the distinct ones).

The product of its (nonzero) digits is 17340825600, while the sum is 82.

The spelling of 870644058566788 in words is "eight hundred seventy trillion, six hundred forty-four billion, fifty-eight million, five hundred sixty-six thousand, seven hundred eighty-eight".