68383187 has 2 divisors, whose sum is σ = 68383188. Its totient is φ = 68383186.

The previous prime is 68383169. The next prime is 68383199. The reversal of 68383187 is 78138386.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68383187 - 2⁶ = 68383123 is a prime.

It is not a weakly prime, because it can be changed into another prime (68383127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34191593 + 34191594.

It is an arithmetic number, because the mean of its divisors is an integer number (34191594).

Almost surely, 2^68383187 is an apocalyptic number.

68383187 is a deficient number, since it is larger than the sum of its proper divisors (1).

68383187 is an equidigital number, since it uses as much as digits as its factorization.

68383187 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 193536, while the sum is 44.

The square root of 68383187 is about 8269.4127361016. The cubic root of 68383187 is about 408.9307594562.

The spelling of 68383187 in words is "sixty-eight million, three hundred eighty-three thousand, one hundred eighty-seven".