68680279336 has 16 divisors (see below), whose sum is σ = 135553183200. Its totient is φ = 32532763824.

The previous prime is 68680279313. The next prime is 68680279391. The reversal of 68680279336 is 63397208686.

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, 225921820 + ... + 225922123.

It is an arithmetic number, because the mean of its divisors is an integer number (8472073950).

Almost surely, 2^68680279336 is an apocalyptic number.

It is an amenable number.

68680279336 is a deficient number, since it is larger than the sum of its proper divisors (66872903864).

68680279336 is a wasteful number, since it uses less digits than its factorization.

68680279336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451843968 (or 451843964 counting only the distinct ones).

The product of its (nonzero) digits is 15676416, while the sum is 58.

The spelling of 68680279336 in words is "sixty-eight billion, six hundred eighty million, two hundred seventy-nine thousand, three hundred thirty-six".