8065789 has 2 divisors, whose sum is σ = 8065790. Its totient is φ = 8065788.

The previous prime is 8065781. The next prime is 8065793. The reversal of 8065789 is 9875608.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5062500 + 3003289 = 2250^2 + 1733^2 .

It is a cyclic number.

It is not a de Polignac number, because 8065789 - 2³ = 8065781 is a prime.

8065789 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8065781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4032894 + 4032895.

It is an arithmetic number, because the mean of its divisors is an integer number (4032895).

Almost surely, 2^8065789 is an apocalyptic number.

It is an amenable number.

8065789 is a deficient number, since it is larger than the sum of its proper divisors (1).

8065789 is an equidigital number, since it uses as much as digits as its factorization.

8065789 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 43.

The square root of 8065789 is about 2840.0332744530. The cubic root of 8065789 is about 200.5467456506.

The spelling of 8065789 in words is "eight million, sixty-five thousand, seven hundred eighty-nine".