99079709 has 2 divisors, whose sum is σ = 99079710. Its totient is φ = 99079708.

The previous prime is 99079693. The next prime is 99079741. The reversal of 99079709 is 90797099.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98942809 + 136900 = 9947^2 + 370^2 .

It is a cyclic number.

It is not a de Polignac number, because 99079709 - 2⁴ = 99079693 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99079759) 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, 49539854 + 49539855.

It is an arithmetic number, because the mean of its divisors is an integer number (49539855).

Almost surely, 2^99079709 is an apocalyptic number.

It is an amenable number.

99079709 is a deficient number, since it is larger than the sum of its proper divisors (1).

99079709 is an equidigital number, since it uses as much as digits as its factorization.

99079709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 321489, while the sum is 50.

The square root of 99079709 is about 9953.8790930973. The cubic root of 99079709 is about 462.7306221633.

The spelling of 99079709 in words is "ninety-nine million, seventy-nine thousand, seven hundred nine".