68315179 has 2 divisors, whose sum is σ = 68315180. Its totient is φ = 68315178.

The previous prime is 68315123. The next prime is 68315183. The reversal of 68315179 is 97151386.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68315179 - 2⁹ = 68314667 is a prime.

It is not a weakly prime, because it can be changed into another prime (68315119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34157589 + 34157590.

It is an arithmetic number, because the mean of its divisors is an integer number (34157590).

Almost surely, 2^68315179 is an apocalyptic number.

68315179 is a deficient number, since it is larger than the sum of its proper divisors (1).

68315179 is an equidigital number, since it uses as much as digits as its factorization.

68315179 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45360, while the sum is 40.

The square root of 68315179 is about 8265.2996920862. The cubic root of 68315179 is about 408.7951521102.

The spelling of 68315179 in words is "sixty-eight million, three hundred fifteen thousand, one hundred seventy-nine".