108997199 has 2 divisors, whose sum is σ = 108997200. Its totient is φ = 108997198.

The previous prime is 108997181. The next prime is 108997219. The reversal of 108997199 is 991799801.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-108997199 is a prime.

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 108997199.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (108997159) 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, 54498599 + 54498600.

It is an arithmetic number, because the mean of its divisors is an integer number (54498600).

Almost surely, 2^108997199 is an apocalyptic number.

108997199 is a deficient number, since it is larger than the sum of its proper divisors (1).

108997199 is an equidigital number, since it uses as much as digits as its factorization.

108997199 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 367416, while the sum is 53.

The square root of 108997199 is about 10440.1723644775. The cubic root of 108997199 is about 477.6815263332.

The spelling of 108997199 in words is "one hundred eight million, nine hundred ninety-seven thousand, one hundred ninety-nine".