108457889 has 2 divisors, whose sum is σ = 108457890. Its totient is φ = 108457888.

The previous prime is 108457861. The next prime is 108457907. The reversal of 108457889 is 988754801.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 100801600 + 7656289 = 10040^2 + 2767^2 .

It is an emirp because it is prime and its reverse (988754801) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-108457889 is a prime.

It is a super-2 number, since 2×108457889² = 23526227372672642, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (108457819) 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, 54228944 + 54228945.

It is an arithmetic number, because the mean of its divisors is an integer number (54228945).

Almost surely, 2^108457889 is an apocalyptic number.

It is an amenable number.

108457889 is a deficient number, since it is larger than the sum of its proper divisors (1).

108457889 is an equidigital number, since it uses as much as digits as its factorization.

108457889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 645120, while the sum is 50.

The square root of 108457889 is about 10414.3117391405. The cubic root of 108457889 is about 476.8923791796.

The spelling of 108457889 in words is "one hundred eight million, four hundred fifty-seven thousand, eight hundred eighty-nine".