8022784909 has 2 divisors, whose sum is σ = 8022784910. Its totient is φ = 8022784908.

The previous prime is 8022784871. The next prime is 8022784919. The reversal of 8022784909 is 9094872208.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8022784900 + 9 = 89570^2 + 3^2 .

It is a cyclic number.

It is not a de Polignac number, because 8022784909 - 2¹¹ = 8022782861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8022784919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4011392454 + 4011392455.

It is an arithmetic number, because the mean of its divisors is an integer number (4011392455).

Almost surely, 2^8022784909 is an apocalyptic number.

It is an amenable number.

8022784909 is a deficient number, since it is larger than the sum of its proper divisors (1).

8022784909 is an equidigital number, since it uses as much as digits as its factorization.

8022784909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 580608, while the sum is 49.

The square root of 8022784909 is about 89570.0000502400. Note that the first 4 decimals coincide. The cubic root of 8022784909 is about 2001.8969426521.

The spelling of 8022784909 in words is "eight billion, twenty-two million, seven hundred eighty-four thousand, nine hundred nine".