104108857 has 2 divisors, whose sum is σ = 104108858. Its totient is φ = 104108856.

The previous prime is 104108831. The next prime is 104108887. The reversal of 104108857 is 758801401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77369616 + 26739241 = 8796^2 + 5171^2 .

It is an emirp because it is prime and its reverse (758801401) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104108857 is a prime.

It is not a weakly prime, because it can be changed into another prime (104108887) 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, 52054428 + 52054429.

It is an arithmetic number, because the mean of its divisors is an integer number (52054429).

Almost surely, 2^104108857 is an apocalyptic number.

It is an amenable number.

104108857 is a deficient number, since it is larger than the sum of its proper divisors (1).

104108857 is an equidigital number, since it uses as much as digits as its factorization.

104108857 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8960, while the sum is 34.

The square root of 104108857 is about 10203.3747848445. The cubic root of 104108857 is about 470.4309567670.

The spelling of 104108857 in words is "one hundred four million, one hundred eight thousand, eight hundred fifty-seven".