68347323767 has 2 divisors, whose sum is σ = 68347323768. Its totient is φ = 68347323766.

The previous prime is 68347323731. The next prime is 68347323769. The reversal of 68347323767 is 76732374386.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68347323767 - 2¹⁴ = 68347307383 is a prime.

It is a super-2 number, since 2×68347323767² (a number of 22 digits) contains 22 as substring.

Together with 68347323769, 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 (68347323769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34173661883 + 34173661884.

It is an arithmetic number, because the mean of its divisors is an integer number (34173661884).

Almost surely, 2^68347323767 is an apocalyptic number.

68347323767 is a deficient number, since it is larger than the sum of its proper divisors (1).

68347323767 is an equidigital number, since it uses as much as digits as its factorization.

68347323767 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21337344, while the sum is 56.

The spelling of 68347323767 in words is "sixty-eight billion, three hundred forty-seven million, three hundred twenty-three thousand, seven hundred sixty-seven".