68046312908 has 24 divisors (see below), whose sum is σ = 136100160000. Its totient is φ = 29161091088.

The previous prime is 68046312863. The next prime is 68046312923. The reversal of 68046312908 is 80921364086.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 545453 + ... + 658491.

It is an arithmetic number, because the mean of its divisors is an integer number (5670840000).

Almost surely, 2^68046312908 is an apocalyptic number.

It is an amenable number.

68046312908 is an abundant number, since it is smaller than the sum of its proper divisors (68053847092).

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

68046312908 is a wasteful number, since it uses less digits than its factorization.

68046312908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134549 (or 134547 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 47.

The spelling of 68046312908 in words is "sixty-eight billion, forty-six million, three hundred twelve thousand, nine hundred eight".