99379829 has 2 divisors, whose sum is σ = 99379830. Its totient is φ = 99379828.

The previous prime is 99379811. The next prime is 99379843. The reversal of 99379829 is 92897399.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 93508900 + 5870929 = 9670^2 + 2423^2 .

It is a cyclic number.

It is not a de Polignac number, because 99379829 - 2²⁰ = 98331253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99379729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49689914 + 49689915.

It is an arithmetic number, because the mean of its divisors is an integer number (49689915).

Almost surely, 2^99379829 is an apocalyptic number.

It is an amenable number.

99379829 is a deficient number, since it is larger than the sum of its proper divisors (1).

99379829 is an equidigital number, since it uses as much as digits as its factorization.

99379829 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2204496, while the sum is 56.

The square root of 99379829 is about 9968.9432238327. The cubic root of 99379829 is about 463.1973666680.

The spelling of 99379829 in words is "ninety-nine million, three hundred seventy-nine thousand, eight hundred twenty-nine".