804740659 has 2 divisors, whose sum is σ = 804740660. Its totient is φ = 804740658.

The previous prime is 804740647. The next prime is 804740663. The reversal of 804740659 is 956047408.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-804740659 is a prime.

It is not a weakly prime, because it can be changed into another prime (804740059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 402370329 + 402370330.

It is an arithmetic number, because the mean of its divisors is an integer number (402370330).

Almost surely, 2^804740659 is an apocalyptic number.

804740659 is a deficient number, since it is larger than the sum of its proper divisors (1).

804740659 is an equidigital number, since it uses as much as digits as its factorization.

804740659 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 804740659 is about 28367.9512654686. The cubic root of 804740659 is about 930.1478390633.

The spelling of 804740659 in words is "eight hundred four million, seven hundred forty thousand, six hundred fifty-nine".