68118359 has 2 divisors, whose sum is σ = 68118360. Its totient is φ = 68118358.

The previous prime is 68118331. The next prime is 68118397. The reversal of 68118359 is 95381186.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68118359 is a prime.

It is a super-2 number, since 2×68118359² = 9280221665705762, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68118859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34059179 + 34059180.

It is an arithmetic number, because the mean of its divisors is an integer number (34059180).

Almost surely, 2^68118359 is an apocalyptic number.

68118359 is a deficient number, since it is larger than the sum of its proper divisors (1).

68118359 is an equidigital number, since it uses as much as digits as its factorization.

68118359 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51840, while the sum is 41.

The square root of 68118359 is about 8253.3846996248. The cubic root of 68118359 is about 408.4021869546.

The spelling of 68118359 in words is "sixty-eight million, one hundred eighteen thousand, three hundred fifty-nine".