868388999976 has 48 divisors (see below), whose sum is σ = 2380222877760. Its totient is φ = 285975492000.

The previous prime is 868388999963. The next prime is 868388999999. The reversal of 868388999976 is 679999883868.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72650400 + ... + 72662351.

It is an arithmetic number, because the mean of its divisors is an integer number (49587976620).

Almost surely, 2^868388999976 is an apocalyptic number.

It is an amenable number.

868388999976 is an abundant number, since it is smaller than the sum of its proper divisors (1511833877784).

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

868388999976 is a wasteful number, since it uses less digits than its factorization.

868388999976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145312846 (or 145312839 counting only the distinct ones).

The product of its digits is 20316635136, while the sum is 90.

The spelling of 868388999976 in words is "eight hundred sixty-eight billion, three hundred eighty-eight million, nine hundred ninety-nine thousand, nine hundred seventy-six".