108116857 has 2 divisors, whose sum is σ = 108116858. Its totient is φ = 108116856.

The previous prime is 108116839. The next prime is 108116891. The reversal of 108116857 is 758611801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 96255721 + 11861136 = 9811^2 + 3444^2 .

It is a cyclic number.

It is not a de Polignac number, because 108116857 - 2¹⁵ = 108084089 is a prime.

It is not a weakly prime, because it can be changed into another prime (108116807) 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, 54058428 + 54058429.

It is an arithmetic number, because the mean of its divisors is an integer number (54058429).

Almost surely, 2^108116857 is an apocalyptic number.

It is an amenable number.

108116857 is a deficient number, since it is larger than the sum of its proper divisors (1).

108116857 is an equidigital number, since it uses as much as digits as its factorization.

108116857 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13440, while the sum is 37.

The square root of 108116857 is about 10397.9256104283. The cubic root of 108116857 is about 476.3920119433.

The spelling of 108116857 in words is "one hundred eight million, one hundred sixteen thousand, eight hundred fifty-seven".