8400089329 has 2 divisors, whose sum is σ = 8400089330. Its totient is φ = 8400089328.

The previous prime is 8400089239. The next prime is 8400089339. The reversal of 8400089329 is 9239800048.

It is a happy number.

Together with previous prime (8400089239) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8400089104 + 225 = 91652^2 + 15^2 .

It is a cyclic number.

It is not a de Polignac number, because 8400089329 - 2²¹ = 8397992177 is a prime.

It is not a weakly prime, because it can be changed into another prime (8400089339) 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, 4200044664 + 4200044665.

It is an arithmetic number, because the mean of its divisors is an integer number (4200044665).

Almost surely, 2^8400089329 is an apocalyptic number.

It is an amenable number.

8400089329 is a deficient number, since it is larger than the sum of its proper divisors (1).

8400089329 is an equidigital number, since it uses as much as digits as its factorization.

8400089329 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 8400089329 is about 91652.0012274691. The cubic root of 8400089329 is about 2032.7999194510.

The spelling of 8400089329 in words is "eight billion, four hundred million, eighty-nine thousand, three hundred twenty-nine".