108798191 has 2 divisors, whose sum is σ = 108798192. Its totient is φ = 108798190.

The previous prime is 108798187. The next prime is 108798203. The reversal of 108798191 is 191897801.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 108798191 - 2² = 108798187 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (108798101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54399095 + 54399096.

It is an arithmetic number, because the mean of its divisors is an integer number (54399096).

Almost surely, 2^108798191 is an apocalyptic number.

108798191 is a deficient number, since it is larger than the sum of its proper divisors (1).

108798191 is an equidigital number, since it uses as much as digits as its factorization.

108798191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 44.

The square root of 108798191 is about 10430.6371329847. The cubic root of 108798191 is about 477.3906309093.

The spelling of 108798191 in words is "one hundred eight million, seven hundred ninety-eight thousand, one hundred ninety-one".