804475811 has 2 divisors, whose sum is σ = 804475812. Its totient is φ = 804475810.

The previous prime is 804475799. The next prime is 804475831. The reversal of 804475811 is 118574408.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 804475811 - 2¹⁴ = 804459427 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (804475831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 402237905 + 402237906.

It is an arithmetic number, because the mean of its divisors is an integer number (402237906).

Almost surely, 2^804475811 is an apocalyptic number.

804475811 is a deficient number, since it is larger than the sum of its proper divisors (1).

804475811 is an equidigital number, since it uses as much as digits as its factorization.

804475811 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35840, while the sum is 38.

The square root of 804475811 is about 28363.2827966017. The cubic root of 804475811 is about 930.0457876250.

The spelling of 804475811 in words is "eight hundred four million, four hundred seventy-five thousand, eight hundred eleven".