108899983 has 2 divisors, whose sum is σ = 108899984. Its totient is φ = 108899982.

The previous prime is 108899957. The next prime is 108900007. The reversal of 108899983 is 389998801.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-108899983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (108899083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54449991 + 54449992.

It is an arithmetic number, because the mean of its divisors is an integer number (54449992).

Almost surely, 2^108899983 is an apocalyptic number.

108899983 is a deficient number, since it is larger than the sum of its proper divisors (1).

108899983 is an equidigital number, since it uses as much as digits as its factorization.

108899983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1119744, while the sum is 55.

The square root of 108899983 is about 10435.5154640296. The cubic root of 108899983 is about 477.5394673298.

The spelling of 108899983 in words is "one hundred eight million, eight hundred ninety-nine thousand, nine hundred eighty-three".