99008197 has 2 divisors, whose sum is σ = 99008198. Its totient is φ = 99008196.

The previous prime is 99008177. The next prime is 99008201. The reversal of 99008197 is 79180099.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98287396 + 720801 = 9914^2 + 849^2 .

It is a cyclic number.

It is not a de Polignac number, because 99008197 - 2¹⁹ = 98483909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99008137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49504098 + 49504099.

It is an arithmetic number, because the mean of its divisors is an integer number (49504099).

Almost surely, 2^99008197 is an apocalyptic number.

It is an amenable number.

99008197 is a deficient number, since it is larger than the sum of its proper divisors (1).

99008197 is an equidigital number, since it uses as much as digits as its factorization.

99008197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40824, while the sum is 43.

The square root of 99008197 is about 9950.2862772887. The cubic root of 99008197 is about 462.6192681938.

The spelling of 99008197 in words is "ninety-nine million, eight thousand, one hundred ninety-seven".