68454858308 has 12 divisors (see below), whose sum is σ = 119800774800. Its totient is φ = 34226065512.

The previous prime is 68454858289. The next prime is 68454858319. The reversal of 68454858308 is 80385845486.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 223466 + ... + 432257.

It is an arithmetic number, because the mean of its divisors is an integer number (9983397900).

Almost surely, 2^68454858308 is an apocalyptic number.

It is an amenable number.

68454858308 is a deficient number, since it is larger than the sum of its proper divisors (51345916492).

68454858308 is a wasteful number, since it uses less digits than its factorization.

68454858308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681826 (or 681824 counting only the distinct ones).

The product of its (nonzero) digits is 29491200, while the sum is 59.

The spelling of 68454858308 in words is "sixty-eight billion, four hundred fifty-four million, eight hundred fifty-eight thousand, three hundred eight".