99611579 has 2 divisors, whose sum is σ = 99611580. Its totient is φ = 99611578.

The previous prime is 99611569. The next prime is 99611599. The reversal of 99611579 is 97511699.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 99611579 - 2⁴ = 99611563 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (99611569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49805789 + 49805790.

It is an arithmetic number, because the mean of its divisors is an integer number (49805790).

Almost surely, 2^99611579 is an apocalyptic number.

99611579 is a deficient number, since it is larger than the sum of its proper divisors (1).

99611579 is an equidigital number, since it uses as much as digits as its factorization.

99611579 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 153090, while the sum is 47.

The square root of 99611579 is about 9980.5600544258. The cubic root of 99611579 is about 463.5571400629.

The spelling of 99611579 in words is "ninety-nine million, six hundred eleven thousand, five hundred seventy-nine".