68855099 has 2 divisors, whose sum is σ = 68855100. Its totient is φ = 68855098.

The previous prime is 68855071. The next prime is 68855119. The reversal of 68855099 is 99055886.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68855099 - 2⁸ = 68854843 is a prime.

It is not a weakly prime, because it can be changed into another prime (68855299) 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, 34427549 + 34427550.

It is an arithmetic number, because the mean of its divisors is an integer number (34427550).

Almost surely, 2^68855099 is an apocalyptic number.

68855099 is a deficient number, since it is larger than the sum of its proper divisors (1).

68855099 is an equidigital number, since it uses as much as digits as its factorization.

68855099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 777600, while the sum is 50.

The square root of 68855099 is about 8297.8972637651. The cubic root of 68855099 is about 409.8692801594.

The spelling of 68855099 in words is "sixty-eight million, eight hundred fifty-five thousand, ninety-nine".