68868223712 has 24 divisors (see below), whose sum is σ = 137607966216. Its totient is φ = 33920168832.

The previous prime is 68868223687. The next prime is 68868223741. The reversal of 68868223712 is 21732286886.

It is a congruent number.

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, 16058543 + ... + 16062830.

It is an arithmetic number, because the mean of its divisors is an integer number (5733665259).

Almost surely, 2^68868223712 is an apocalyptic number.

It is an amenable number.

68868223712 is a deficient number, since it is larger than the sum of its proper divisors (68739742504).

68868223712 is a wasteful number, since it uses less digits than its factorization.

68868223712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32121450 (or 32121442 counting only the distinct ones).

The product of its digits is 3096576, while the sum is 53.

The spelling of 68868223712 in words is "sixty-eight billion, eight hundred sixty-eight million, two hundred twenty-three thousand, seven hundred twelve".