107898209 has 2 divisors, whose sum is σ = 107898210. Its totient is φ = 107898208.

The previous prime is 107898151. The next prime is 107898211. The reversal of 107898209 is 902898701.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98565184 + 9333025 = 9928^2 + 3055^2 .

It is a cyclic number.

It is not a de Polignac number, because 107898209 - 2⁸ = 107897953 is a prime.

Together with 107898211, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 107898209.

It is not a weakly prime, because it can be changed into another prime (107898239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53949104 + 53949105.

It is an arithmetic number, because the mean of its divisors is an integer number (53949105).

Almost surely, 2^107898209 is an apocalyptic number.

It is an amenable number.

107898209 is a deficient number, since it is larger than the sum of its proper divisors (1).

107898209 is an equidigital number, since it uses as much as digits as its factorization.

107898209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 44.

The square root of 107898209 is about 10387.4062691319. The cubic root of 107898209 is about 476.0706545427.

The spelling of 107898209 in words is "one hundred seven million, eight hundred ninety-eight thousand, two hundred nine".