107999917 has 2 divisors, whose sum is σ = 107999918. Its totient is φ = 107999916.

The previous prime is 107999909. The next prime is 107999999. The reversal of 107999917 is 719999701.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76930441 + 31069476 = 8771^2 + 5574^2 .

It is an emirp because it is prime and its reverse (719999701) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 107999917 - 2³ = 107999909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (107999417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53999958 + 53999959.

It is an arithmetic number, because the mean of its divisors is an integer number (53999959).

Almost surely, 2^107999917 is an apocalyptic number.

It is an amenable number.

107999917 is a deficient number, since it is larger than the sum of its proper divisors (1).

107999917 is an equidigital number, since it uses as much as digits as its factorization.

107999917 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 321489, while the sum is 52.

The square root of 107999917 is about 10392.3008520731. The cubic root of 107999917 is about 476.2201935957.

The spelling of 107999917 in words is "one hundred seven million, nine hundred ninety-nine thousand, nine hundred seventeen".