79099129 has 2 divisors, whose sum is σ = 79099130. Its totient is φ = 79099128.

The previous prime is 79099123. The next prime is 79099133. The reversal of 79099129 is 92199097.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66389904 + 12709225 = 8148^2 + 3565^2 .

It is an emirp because it is prime and its reverse (92199097) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79099129 is a prime.

It is not a weakly prime, because it can be changed into another prime (79099123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39549564 + 39549565.

It is an arithmetic number, because the mean of its divisors is an integer number (39549565).

Almost surely, 2^79099129 is an apocalyptic number.

It is an amenable number.

79099129 is a deficient number, since it is larger than the sum of its proper divisors (1).

79099129 is an equidigital number, since it uses as much as digits as its factorization.

79099129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 91854, while the sum is 46.

The square root of 79099129 is about 8893.7691110125. The cubic root of 79099129 is about 429.2634388784.

The spelling of 79099129 in words is "seventy-nine million, ninety-nine thousand, one hundred twenty-nine".