68099079 has 4 divisors (see below), whose sum is σ = 90798776. Its totient is φ = 45399384.

The previous prime is 68099063. The next prime is 68099081. The reversal of 68099079 is 97099086.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 68099079 - 2⁴ = 68099063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68099179) 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 in 3 ways as a sum of consecutive naturals, for example, 11349844 + ... + 11349849.

It is an arithmetic number, because the mean of its divisors is an integer number (22699694).

Almost surely, 2^68099079 is an apocalyptic number.

68099079 is a deficient number, since it is larger than the sum of its proper divisors (22699697).

68099079 is a wasteful number, since it uses less digits than its factorization.

68099079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22699696.

The product of its (nonzero) digits is 244944, while the sum is 48.

The square root of 68099079 is about 8252.2166113112. The cubic root of 68099079 is about 408.3636523741.

The spelling of 68099079 in words is "sixty-eight million, ninety-nine thousand, seventy-nine".