68108099 has 4 divisors (see below), whose sum is σ = 69067440. Its totient is φ = 67148760.

The previous prime is 68108071. The next prime is 68108101. The reversal of 68108099 is 99080186.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99080186 = 2 ⋅49540093.

It is a cyclic number.

It is not a de Polignac number, because 68108099 - 2⁸ = 68107843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68108059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 479564 + ... + 479705.

It is an arithmetic number, because the mean of its divisors is an integer number (17266860).

Almost surely, 2^68108099 is an apocalyptic number.

68108099 is a deficient number, since it is larger than the sum of its proper divisors (959341).

68108099 is an equidigital number, since it uses as much as digits as its factorization.

68108099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 959340.

The product of its (nonzero) digits is 31104, while the sum is 41.

The square root of 68108099 is about 8252.7631130428. The cubic root of 68108099 is about 408.3816813871.

The spelling of 68108099 in words is "sixty-eight million, one hundred eight thousand, ninety-nine".