99478199 has 2 divisors, whose sum is σ = 99478200. Its totient is φ = 99478198.

The previous prime is 99478193. The next prime is 99478219. The reversal of 99478199 is 99187499.

It is a weak prime.

It is an emirp because it is prime and its reverse (99187499) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99478199 - 2⁸ = 99477943 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99478193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49739099 + 49739100.

It is an arithmetic number, because the mean of its divisors is an integer number (49739100).

Almost surely, 2^99478199 is an apocalyptic number.

99478199 is a deficient number, since it is larger than the sum of its proper divisors (1).

99478199 is an equidigital number, since it uses as much as digits as its factorization.

99478199 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1469664, while the sum is 56.

The square root of 99478199 is about 9973.8758263776. The cubic root of 99478199 is about 463.3501464952.

The spelling of 99478199 in words is "ninety-nine million, four hundred seventy-eight thousand, one hundred ninety-nine".