68222875079 has 2 divisors, whose sum is σ = 68222875080. Its totient is φ = 68222875078.

The previous prime is 68222875003. The next prime is 68222875081. The reversal of 68222875079 is 97057822286.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68222875079 is a prime.

Together with 68222875081, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68222875979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34111437539 + 34111437540.

It is an arithmetic number, because the mean of its divisors is an integer number (34111437540).

Almost surely, 2^68222875079 is an apocalyptic number.

68222875079 is a deficient number, since it is larger than the sum of its proper divisors (1).

68222875079 is an equidigital number, since it uses as much as digits as its factorization.

68222875079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6773760, while the sum is 56.

The spelling of 68222875079 in words is "sixty-eight billion, two hundred twenty-two million, eight hundred seventy-five thousand, seventy-nine".