68324670978 has 16 divisors (see below), whose sum is σ = 137858629536. Its totient is φ = 22573342400.

The previous prime is 68324670961. The next prime is 68324670983. The reversal of 68324670978 is 87907642386.

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, 50386248 + ... + 50387603.

It is an arithmetic number, because the mean of its divisors is an integer number (8616164346).

Almost surely, 2^68324670978 is an apocalyptic number.

68324670978 is an abundant number, since it is smaller than the sum of its proper divisors (69533958558).

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

68324670978 is a wasteful number, since it uses less digits than its factorization.

68324670978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100773969.

The product of its (nonzero) digits is 24385536, while the sum is 60.

The spelling of 68324670978 in words is "sixty-eight billion, three hundred twenty-four million, six hundred seventy thousand, nine hundred seventy-eight".