68360812079971 has 2 divisors, whose sum is σ = 68360812079972. Its totient is φ = 68360812079970.

The previous prime is 68360812079957. The next prime is 68360812080023. The reversal of 68360812079971 is 17997021806386.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68360812079971 - 2⁷ = 68360812079843 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68360812079897 and 68360812079906.

It is not a weakly prime, because it can be changed into another prime (68360812059971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34180406039985 + 34180406039986.

It is an arithmetic number, because the mean of its divisors is an integer number (34180406039986).

Almost surely, 2^{68360812079971} is an apocalyptic number.

68360812079971 is a deficient number, since it is larger than the sum of its proper divisors (1).

68360812079971 is an equidigital number, since it uses as much as digits as its factorization.

68360812079971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54867456, while the sum is 67.

The spelling of 68360812079971 in words is "sixty-eight trillion, three hundred sixty billion, eight hundred twelve million, seventy-nine thousand, nine hundred seventy-one".