804880369 has 2 divisors, whose sum is σ = 804880370. Its totient is φ = 804880368.

The previous prime is 804880333. The next prime is 804880397. The reversal of 804880369 is 963088408.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 515880369 + 289000000 = 22713^2 + 17000^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-804880369 is a prime.

It is a super-2 number, since 2×804880369² = 1295664816803152322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (804880319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 402440184 + 402440185.

It is an arithmetic number, because the mean of its divisors is an integer number (402440185).

Almost surely, 2^804880369 is an apocalyptic number.

It is an amenable number.

804880369 is a deficient number, since it is larger than the sum of its proper divisors (1).

804880369 is an equidigital number, since it uses as much as digits as its factorization.

804880369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 331776, while the sum is 46.

The square root of 804880369 is about 28370.4136205308. The cubic root of 804880369 is about 930.2016632088.

The spelling of 804880369 in words is "eight hundred four million, eight hundred eighty thousand, three hundred sixty-nine".