8075909 has 2 divisors, whose sum is σ = 8075910. Its totient is φ = 8075908.

The previous prime is 8075887. The next prime is 8075911. The reversal of 8075909 is 9095708.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7963684 + 112225 = 2822^2 + 335^2 .

It is a cyclic number.

It is not a de Polignac number, because 8075909 - 2²⁰ = 7027333 is a prime.

Together with 8075911, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8075939) 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, 4037954 + 4037955.

It is an arithmetic number, because the mean of its divisors is an integer number (4037955).

Almost surely, 2^8075909 is an apocalyptic number.

It is an amenable number.

8075909 is a deficient number, since it is larger than the sum of its proper divisors (1).

8075909 is an equidigital number, since it uses as much as digits as its factorization.

8075909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 38.

The square root of 8075909 is about 2841.8143852124. The cubic root of 8075909 is about 200.6305847250.

The spelling of 8075909 in words is "eight million, seventy-five thousand, nine hundred nine".