877597844168 has 16 divisors (see below), whose sum is σ = 1647416035980. Its totient is φ = 438286901248.

The previous prime is 877597844159. The next prime is 877597844191. The reversal of 877597844168 is 861448795778.

It can be written as a sum of positive squares in 2 ways, for example, as 635142053764 + 242455790404 = 796958^2 + 492398^2 .

It is a super-2 number, since 2×877597844168² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 877597844095 and 877597844104.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63995321 + ... + 64009032.

Almost surely, 2^877597844168 is an apocalyptic number.

It is an amenable number.

877597844168 is a deficient number, since it is larger than the sum of its proper divisors (769818191812).

877597844168 is a wasteful number, since it uses less digits than its factorization.

877597844168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128005216 (or 128005212 counting only the distinct ones).

The product of its digits is 758661120, while the sum is 74.

The spelling of 877597844168 in words is "eight hundred seventy-seven billion, five hundred ninety-seven million, eight hundred forty-four thousand, one hundred sixty-eight".