107904217 has 2 divisors, whose sum is σ = 107904218. Its totient is φ = 107904216.

The previous prime is 107904191. The next prime is 107904241. The reversal of 107904217 is 712409701.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 86936976 + 20967241 = 9324^2 + 4579^2 .

It is a cyclic number.

It is not a de Polignac number, because 107904217 - 2⁷ = 107904089 is a prime.

It is not a weakly prime, because it can be changed into another prime (107904817) 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, 53952108 + 53952109.

It is an arithmetic number, because the mean of its divisors is an integer number (53952109).

Almost surely, 2^107904217 is an apocalyptic number.

It is an amenable number.

107904217 is a deficient number, since it is larger than the sum of its proper divisors (1).

107904217 is an equidigital number, since it uses as much as digits as its factorization.

107904217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3528, while the sum is 31.

The square root of 107904217 is about 10387.6954614582. The cubic root of 107904217 is about 476.0794905849.

The spelling of 107904217 in words is "one hundred seven million, nine hundred four thousand, two hundred seventeen".