809087 has 2 divisors, whose sum is σ = 809088. Its totient is φ = 809086.

The previous prime is 809063. The next prime is 809093. The reversal of 809087 is 780908.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 809087 - 2⁶ = 809023 is a prime.

It is a Chen prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 809087.

It is not a weakly prime, because it can be changed into another prime (809587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 404543 + 404544.

It is an arithmetic number, because the mean of its divisors is an integer number (404544).

2⁸⁰⁹⁰⁸⁷ is an apocalyptic number.

809087 is a deficient number, since it is larger than the sum of its proper divisors (1).

809087 is an equidigital number, since it uses as much as digits as its factorization.

809087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 809087 is about 899.4926347670. The cubic root of 809087 is about 93.1819385141.

The spelling of 809087 in words is "eight hundred nine thousand, eighty-seven".