108200009 has 2 divisors, whose sum is σ = 108200010. Its totient is φ = 108200008.

The previous prime is 108199979. The next prime is 108200011. The reversal of 108200009 is 900002801.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108097609 + 102400 = 10397^2 + 320^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-108200009 is a prime.

Together with 108200011, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (108200039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54100004 + 54100005.

It is an arithmetic number, because the mean of its divisors is an integer number (54100005).

Almost surely, 2^108200009 is an apocalyptic number.

It is an amenable number.

108200009 is a deficient number, since it is larger than the sum of its proper divisors (1).

108200009 is an equidigital number, since it uses as much as digits as its factorization.

108200009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 108200009 is about 10401.9233317690. The cubic root of 108200009 is about 476.5141106880.

The spelling of 108200009 in words is "one hundred eight million, two hundred thousand, nine".