68796457976 has 8 divisors (see below), whose sum is σ = 128993358720. Its totient is φ = 34398228984.

The previous prime is 68796457963. The next prime is 68796457991. The reversal of 68796457976 is 67975469786.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4299778616 + ... + 4299778631.

It is an arithmetic number, because the mean of its divisors is an integer number (16124169840).

Almost surely, 2^68796457976 is an apocalyptic number.

It is an amenable number.

68796457976 is a deficient number, since it is larger than the sum of its proper divisors (60196900744).

68796457976 is a wasteful number, since it uses less digits than its factorization.

68796457976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8599557253 (or 8599557249 counting only the distinct ones).

The product of its digits is 960180480, while the sum is 74.

The spelling of 68796457976 in words is "sixty-eight billion, seven hundred ninety-six million, four hundred fifty-seven thousand, nine hundred seventy-six".