79000099 has 2 divisors, whose sum is σ = 79000100. Its totient is φ = 79000098.

The previous prime is 79000093. The next prime is 79000177. The reversal of 79000099 is 99000097.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79000099 is a prime.

79000099 is a modest number, since divided by 99 gives 79 as remainder.

It is not a weakly prime, because it can be changed into another prime (79000093) 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, 39500049 + 39500050.

It is an arithmetic number, because the mean of its divisors is an integer number (39500050).

Almost surely, 2^79000099 is an apocalyptic number.

79000099 is a deficient number, since it is larger than the sum of its proper divisors (1).

79000099 is an equidigital number, since it uses as much as digits as its factorization.

79000099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5103, while the sum is 34.

The square root of 79000099 is about 8888.1999864990. The cubic root of 79000099 is about 429.0842219402.

The spelling of 79000099 in words is "seventy-nine million, ninety-nine", and thus it is an aban number and an uban number.