870797790568 has 16 divisors (see below), whose sum is σ = 1632865302180. Its totient is φ = 435367043328.

The previous prime is 870797790539. The next prime is 870797790589. The reversal of 870797790568 is 865097797078.

It can be written as a sum of positive squares in 2 ways, for example, as 867509685604 + 3288104964 = 931402^2 + 57342^2 .

It is a super-2 number, since 2×870797790568² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 870797790568.

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, 3865105 + ... + 4084192.

Almost surely, 2^870797790568 is an apocalyptic number.

It is an amenable number.

870797790568 is a deficient number, since it is larger than the sum of its proper divisors (762067511612).

870797790568 is a wasteful number, since it uses less digits than its factorization.

870797790568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7962996 (or 7962992 counting only the distinct ones).

The product of its (nonzero) digits is 373403520, while the sum is 73.

The spelling of 870797790568 in words is "eight hundred seventy billion, seven hundred ninety-seven million, seven hundred ninety thousand, five hundred sixty-eight".