99948599 has 2 divisors, whose sum is σ = 99948600. Its totient is φ = 99948598.

The previous prime is 99948577. The next prime is 99948601. The reversal of 99948599 is 99584999.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99948599 is a prime.

Together with 99948601, 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 (99948539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49974299 + 49974300.

It is an arithmetic number, because the mean of its divisors is an integer number (49974300).

Almost surely, 2^99948599 is an apocalyptic number.

99948599 is a deficient number, since it is larger than the sum of its proper divisors (1).

99948599 is an equidigital number, since it uses as much as digits as its factorization.

99948599 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9447840, while the sum is 62.

The square root of 99948599 is about 9997.4296196572. The cubic root of 99948599 is about 464.0793422955.

The spelling of 99948599 in words is "ninety-nine million, nine hundred forty-eight thousand, five hundred ninety-nine".