68617099 has 2 divisors, whose sum is σ = 68617100. Its totient is φ = 68617098.

The previous prime is 68617093. The next prime is 68617111. The reversal of 68617099 is 99071686.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68617099 - 2³ = 68617091 is a prime.

It is not a weakly prime, because it can be changed into another prime (68617091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34308549 + 34308550.

It is an arithmetic number, because the mean of its divisors is an integer number (34308550).

Almost surely, 2^68617099 is an apocalyptic number.

68617099 is a deficient number, since it is larger than the sum of its proper divisors (1).

68617099 is an equidigital number, since it uses as much as digits as its factorization.

68617099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163296, while the sum is 46.

The square root of 68617099 is about 8283.5438672105. The cubic root of 68617099 is about 409.3964926190.

The spelling of 68617099 in words is "sixty-eight million, six hundred seventeen thousand, ninety-nine".