99988829 has 2 divisors, whose sum is σ = 99988830. Its totient is φ = 99988828.

The previous prime is 99988813. The next prime is 99988831. The reversal of 99988829 is 92888999.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99900025 + 88804 = 9995^2 + 298^2 .

It is a cyclic number.

It is not a de Polignac number, because 99988829 - 2⁴ = 99988813 is a prime.

Together with 99988831, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99988859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49994414 + 49994415.

It is an arithmetic number, because the mean of its divisors is an integer number (49994415).

Almost surely, 2^99988829 is an apocalyptic number.

It is an amenable number.

99988829 is a deficient number, since it is larger than the sum of its proper divisors (1).

99988829 is an equidigital number, since it uses as much as digits as its factorization.

99988829 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6718464, while the sum is 62.

The square root of 99988829 is about 9999.4414344002. The cubic root of 99988829 is about 464.1415989880.

The spelling of 99988829 in words is "ninety-nine million, nine hundred eighty-eight thousand, eight hundred twenty-nine".