68780104339 has 2 divisors, whose sum is σ = 68780104340. Its totient is φ = 68780104338.

The previous prime is 68780104319. The next prime is 68780104363. The reversal of 68780104339 is 93340108786.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68780104339 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68780104292 and 68780104301.

It is not a weakly prime, because it can be changed into another prime (68780104319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34390052169 + 34390052170.

It is an arithmetic number, because the mean of its divisors is an integer number (34390052170).

Almost surely, 2^68780104339 is an apocalyptic number.

68780104339 is a deficient number, since it is larger than the sum of its proper divisors (1).

68780104339 is an equidigital number, since it uses as much as digits as its factorization.

68780104339 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 870912, while the sum is 49.

The spelling of 68780104339 in words is "sixty-eight billion, seven hundred eighty million, one hundred four thousand, three hundred thirty-nine".