68388904327 has 2 divisors, whose sum is σ = 68388904328. Its totient is φ = 68388904326.

The previous prime is 68388904321. The next prime is 68388904343. The reversal of 68388904327 is 72340988386.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68388904327 - 2¹⁵ = 68388871559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68388904321) 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, 34194452163 + 34194452164.

It is an arithmetic number, because the mean of its divisors is an integer number (34194452164).

Almost surely, 2^68388904327 is an apocalyptic number.

68388904327 is a deficient number, since it is larger than the sum of its proper divisors (1).

68388904327 is an equidigital number, since it uses as much as digits as its factorization.

68388904327 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13934592, while the sum is 58.

The spelling of 68388904327 in words is "sixty-eight billion, three hundred eighty-eight million, nine hundred four thousand, three hundred twenty-seven".