68086999 has 2 divisors, whose sum is σ = 68087000. Its totient is φ = 68086998.

The previous prime is 68086987. The next prime is 68087011. The reversal of 68086999 is 99968086.

It is a balanced prime because it is at equal distance from previous prime (68086987) and next prime (68087011).

It is a cyclic number.

It is not a de Polignac number, because 68086999 - 2⁷ = 68086871 is a 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 (68086939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34043499 + 34043500.

It is an arithmetic number, because the mean of its divisors is an integer number (34043500).

Almost surely, 2^68086999 is an apocalyptic number.

68086999 is a deficient number, since it is larger than the sum of its proper divisors (1).

68086999 is an equidigital number, since it uses as much as digits as its factorization.

68086999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1679616, while the sum is 55.

The square root of 68086999 is about 8251.4846542910. The cubic root of 68086999 is about 408.3395045946.

The spelling of 68086999 in words is "sixty-eight million, eighty-six thousand, nine hundred ninety-nine".