108899291 has 2 divisors, whose sum is σ = 108899292. Its totient is φ = 108899290.

The previous prime is 108899269. The next prime is 108899293. The reversal of 108899291 is 192998801.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-108899291 is a prime.

It is a Sophie Germain prime.

Together with 108899293, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (108899293) 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, 54449645 + 54449646.

It is an arithmetic number, because the mean of its divisors is an integer number (54449646).

Almost surely, 2^108899291 is an apocalyptic number.

108899291 is a deficient number, since it is larger than the sum of its proper divisors (1).

108899291 is an equidigital number, since it uses as much as digits as its factorization.

108899291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 93312, while the sum is 47.

The square root of 108899291 is about 10435.4823079722. The cubic root of 108899291 is about 477.5384558267.

The spelling of 108899291 in words is "one hundred eight million, eight hundred ninety-nine thousand, two hundred ninety-one".