68727968396 has 48 divisors (see below), whose sum is σ = 123540681600. Its totient is φ = 33445813632.

The previous prime is 68727968389. The next prime is 68727968401. The reversal of 68727968396 is 69386972786.

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, 8357975 + ... + 8366193.

It is an arithmetic number, because the mean of its divisors is an integer number (2573764200).

Almost surely, 2^68727968396 is an apocalyptic number.

It is an amenable number.

68727968396 is a deficient number, since it is larger than the sum of its proper divisors (54812713204).

68727968396 is a wasteful number, since it uses less digits than its factorization.

68727968396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8678 (or 8676 counting only the distinct ones).

The product of its digits is 329204736, while the sum is 71.

The spelling of 68727968396 in words is "sixty-eight billion, seven hundred twenty-seven million, nine hundred sixty-eight thousand, three hundred ninety-six".