68839163 has 2 divisors, whose sum is σ = 68839164. Its totient is φ = 68839162.

The previous prime is 68839159. The next prime is 68839193. The reversal of 68839163 is 36193886.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68839163 - 2² = 68839159 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (68839153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34419581 + 34419582.

It is an arithmetic number, because the mean of its divisors is an integer number (34419582).

Almost surely, 2^68839163 is an apocalyptic number.

68839163 is a deficient number, since it is larger than the sum of its proper divisors (1).

68839163 is an equidigital number, since it uses as much as digits as its factorization.

68839163 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 186624, while the sum is 44.

The square root of 68839163 is about 8296.9369649287. The cubic root of 68839163 is about 409.8376573219.

The spelling of 68839163 in words is "sixty-eight million, eight hundred thirty-nine thousand, one hundred sixty-three".