108189793 has 2 divisors, whose sum is σ = 108189794. Its totient is φ = 108189792.

The previous prime is 108189779. The next prime is 108189797. The reversal of 108189793 is 397981801.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 84052224 + 24137569 = 9168^2 + 4913^2 .

It is a cyclic number.

It is not a de Polignac number, because 108189793 - 2¹⁷ = 108058721 is a prime.

It is not a weakly prime, because it can be changed into another prime (108189797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54094896 + 54094897.

It is an arithmetic number, because the mean of its divisors is an integer number (54094897).

Almost surely, 2^108189793 is an apocalyptic number.

It is an amenable number.

108189793 is a deficient number, since it is larger than the sum of its proper divisors (1).

108189793 is an equidigital number, since it uses as much as digits as its factorization.

108189793 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 46.

The square root of 108189793 is about 10401.4322571461. The cubic root of 108189793 is about 476.4991130880.

The spelling of 108189793 in words is "one hundred eight million, one hundred eighty-nine thousand, seven hundred ninety-three".