68866289684 has 24 divisors (see below), whose sum is σ = 126203410368. Its totient is φ = 32818829120.

The previous prime is 68866289671. The next prime is 68866289693. The reversal of 68866289684 is 48698266886.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1306082 + ... + 1357785.

It is an arithmetic number, because the mean of its divisors is an integer number (5258475432).

Almost surely, 2^68866289684 is an apocalyptic number.

It is an amenable number.

68866289684 is a deficient number, since it is larger than the sum of its proper divisors (57337120684).

68866289684 is a wasteful number, since it uses less digits than its factorization.

68866289684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2664175 (or 2664173 counting only the distinct ones).

The product of its digits is 382205952, while the sum is 71.

The spelling of 68866289684 in words is "sixty-eight billion, eight hundred sixty-six million, two hundred eighty-nine thousand, six hundred eighty-four".