68450707678 has 8 divisors (see below), whose sum is σ = 102732389568. Its totient is φ = 34206577824.

The previous prime is 68450707669. The next prime is 68450707697. The reversal of 68450707678 is 87670705486.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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, 9383451 + ... + 9390742.

It is an arithmetic number, because the mean of its divisors is an integer number (12841548696).

Almost surely, 2^68450707678 is an apocalyptic number.

68450707678 is a deficient number, since it is larger than the sum of its proper divisors (34281681890).

68450707678 is a wasteful number, since it uses less digits than its factorization.

68450707678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18776018.

The product of its (nonzero) digits is 15805440, while the sum is 58.

The spelling of 68450707678 in words is "sixty-eight billion, four hundred fifty million, seven hundred seven thousand, six hundred seventy-eight".