864600268888 has 8 divisors (see below), whose sum is σ = 1621125504180. Its totient is φ = 432300134440.

The previous prime is 864600268877. The next prime is 864600268919. The reversal of 864600268888 is 888862006468.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×864600268888² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54037516798 + ... + 54037516813.

Almost surely, 2^864600268888 is an apocalyptic number.

It is an amenable number.

864600268888 is a deficient number, since it is larger than the sum of its proper divisors (756525235292).

864600268888 is a wasteful number, since it uses less digits than its factorization.

864600268888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108075033617 (or 108075033613 counting only the distinct ones).

The product of its (nonzero) digits is 56623104, while the sum is 64.

The spelling of 864600268888 in words is "eight hundred sixty-four billion, six hundred million, two hundred sixty-eight thousand, eight hundred eighty-eight".