68067216000079 has 2 divisors, whose sum is σ = 68067216000080. Its totient is φ = 68067216000078.

The previous prime is 68067215999977. The next prime is 68067216000209. The reversal of 68067216000079 is 97000061276086.

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-68067216000079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68067226000079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34033608000039 + 34033608000040.

It is an arithmetic number, because the mean of its divisors is an integer number (34033608000040).

Almost surely, 2^{68067216000079} is an apocalyptic number.

68067216000079 is a deficient number, since it is larger than the sum of its proper divisors (1).

68067216000079 is an equidigital number, since it uses as much as digits as its factorization.

68067216000079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1524096, while the sum is 52.

The spelling of 68067216000079 in words is "sixty-eight trillion, sixty-seven billion, two hundred sixteen million, seventy-nine", and thus it is an aban number.