99199447 has 2 divisors, whose sum is σ = 99199448. Its totient is φ = 99199446.

The previous prime is 99199439. The next prime is 99199487. The reversal of 99199447 is 74499199.

It is a weak prime.

It is an emirp because it is prime and its reverse (74499199) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99199447 - 2³ = 99199439 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 99199394 and 99199403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99199427) 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, 49599723 + 49599724.

It is an arithmetic number, because the mean of its divisors is an integer number (49599724).

Almost surely, 2^99199447 is an apocalyptic number.

99199447 is a deficient number, since it is larger than the sum of its proper divisors (1).

99199447 is an equidigital number, since it uses as much as digits as its factorization.

99199447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 734832, while the sum is 52.

The square root of 99199447 is about 9959.8919170842. The cubic root of 99199447 is about 462.9169507102.

The spelling of 99199447 in words is "ninety-nine million, one hundred ninety-nine thousand, four hundred forty-seven".