99208799 has 2 divisors, whose sum is σ = 99208800. Its totient is φ = 99208798.

The previous prime is 99208777. The next prime is 99208801. The reversal of 99208799 is 99780299.

It is a strong prime.

It is an emirp because it is prime and its reverse (99780299) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99208799 is a prime.

It is a super-3 number, since 3×99208799³ (a number of 25 digits) contains 333 as substring.

It is a Sophie Germain prime.

Together with 99208801, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 99208799.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99208099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49604399 + 49604400.

It is an arithmetic number, because the mean of its divisors is an integer number (49604400).

Almost surely, 2^99208799 is an apocalyptic number.

99208799 is a deficient number, since it is larger than the sum of its proper divisors (1).

99208799 is an equidigital number, since it uses as much as digits as its factorization.

99208799 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 734832, while the sum is 53.

The square root of 99208799 is about 9960.3613890260. The cubic root of 99208799 is about 462.9314973749.

The spelling of 99208799 in words is "ninety-nine million, two hundred eight thousand, seven hundred ninety-nine".