68793799928 has 64 divisors (see below), whose sum is σ = 156396134400. Its totient is φ = 27711331200.

The previous prime is 68793799901. The next prime is 68793799939. The reversal of 68793799928 is 82999739786.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119423 + ... + 389678.

It is an arithmetic number, because the mean of its divisors is an integer number (2443689600).

Almost surely, 2^68793799928 is an apocalyptic number.

It is an amenable number.

68793799928 is an abundant number, since it is smaller than the sum of its proper divisors (87602334472).

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

68793799928 is a wasteful number, since it uses less digits than its factorization.

68793799928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509260 (or 509256 counting only the distinct ones).

The product of its digits is 740710656, while the sum is 77.

The spelling of 68793799928 in words is "sixty-eight billion, seven hundred ninety-three million, seven hundred ninety-nine thousand, nine hundred twenty-eight".