809115059 has 2 divisors, whose sum is σ = 809115060. Its totient is φ = 809115058.

The previous prime is 809115037. The next prime is 809115067. The reversal of 809115059 is 950511908.

809115059 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 809115059 - 2¹² = 809110963 is a prime.

It is not a weakly prime, because it can be changed into another prime (809115089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 404557529 + 404557530.

It is an arithmetic number, because the mean of its divisors is an integer number (404557530).

Almost surely, 2^809115059 is an apocalyptic number.

809115059 is a deficient number, since it is larger than the sum of its proper divisors (1).

809115059 is an equidigital number, since it uses as much as digits as its factorization.

809115059 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16200, while the sum is 38.

The square root of 809115059 is about 28444.9478642517. The cubic root of 809115059 is about 931.8301567957.

The spelling of 809115059 in words is "eight hundred nine million, one hundred fifteen thousand, fifty-nine".