68079953171 has 2 divisors, whose sum is σ = 68079953172. Its totient is φ = 68079953170.

The previous prime is 68079953147. The next prime is 68079953191. The reversal of 68079953171 is 17135997086.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68079953171 is a prime.

It is not a weakly prime, because it can be changed into another prime (68079953111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34039976585 + 34039976586.

It is an arithmetic number, because the mean of its divisors is an integer number (34039976586).

Almost surely, 2^68079953171 is an apocalyptic number.

68079953171 is a deficient number, since it is larger than the sum of its proper divisors (1).

68079953171 is an equidigital number, since it uses as much as digits as its factorization.

68079953171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2857680, while the sum is 56.

The spelling of 68079953171 in words is "sixty-eight billion, seventy-nine million, nine hundred fifty-three thousand, one hundred seventy-one".