68685179 has 2 divisors, whose sum is σ = 68685180. Its totient is φ = 68685178.

The previous prime is 68685163. The next prime is 68685193. The reversal of 68685179 is 97158686.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68685179 - 2⁴ = 68685163 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (68685109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34342589 + 34342590.

It is an arithmetic number, because the mean of its divisors is an integer number (34342590).

Almost surely, 2^68685179 is an apocalyptic number.

68685179 is a deficient number, since it is larger than the sum of its proper divisors (1).

68685179 is an equidigital number, since it uses as much as digits as its factorization.

68685179 is an evil number, because the sum of its binary digits is even.

The product of its digits is 725760, while the sum is 50.

The square root of 68685179 is about 8287.6522007140. The cubic root of 68685179 is about 409.5318451811.

The spelling of 68685179 in words is "sixty-eight million, six hundred eighty-five thousand, one hundred seventy-nine".