99824957 has 2 divisors, whose sum is σ = 99824958. Its totient is φ = 99824956.

The previous prime is 99824911. The next prime is 99824987. The reversal of 99824957 is 75942899.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 84254041 + 15570916 = 9179^2 + 3946^2 .

It is a cyclic number.

It is not a de Polignac number, because 99824957 - 2⁸ = 99824701 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 99824899 and 99824908.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99824987) 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, 49912478 + 49912479.

It is an arithmetic number, because the mean of its divisors is an integer number (49912479).

Almost surely, 2^99824957 is an apocalyptic number.

It is an amenable number.

99824957 is a deficient number, since it is larger than the sum of its proper divisors (1).

99824957 is an equidigital number, since it uses as much as digits as its factorization.

99824957 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1632960, while the sum is 53.

The square root of 99824957 is about 9991.2440166378. The cubic root of 99824957 is about 463.8878993088.

The spelling of 99824957 in words is "ninety-nine million, eight hundred twenty-four thousand, nine hundred fifty-seven".