99724719179 has 2 divisors, whose sum is σ = 99724719180. Its totient is φ = 99724719178.

The previous prime is 99724719161. The next prime is 99724719181. The reversal of 99724719179 is 97191742799.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 99724719179 - 2²⁰ = 99723670603 is a prime.

Together with 99724719181, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (99724719109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49862359589 + 49862359590.

It is an arithmetic number, because the mean of its divisors is an integer number (49862359590).

Almost surely, 2^99724719179 is an apocalyptic number.

99724719179 is a deficient number, since it is larger than the sum of its proper divisors (1).

99724719179 is an equidigital number, since it uses as much as digits as its factorization.

99724719179 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18003384, while the sum is 65.

The spelling of 99724719179 in words is "ninety-nine billion, seven hundred twenty-four million, seven hundred nineteen thousand, one hundred seventy-nine".