8000789 has 2 divisors, whose sum is σ = 8000790. Its totient is φ = 8000788.

The previous prime is 8000771. The next prime is 8000791. The reversal of 8000789 is 9870008.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7980625 + 20164 = 2825^2 + 142^2 .

It is a cyclic number.

It is not a de Polignac number, because 8000789 - 2⁸ = 8000533 is a prime.

It is a super-4 number, since 4×8000789⁴ (a number of 29 digits) contains 4444 as substring.

Together with 8000791, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8000719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4000394 + 4000395.

It is an arithmetic number, because the mean of its divisors is an integer number (4000395).

Almost surely, 2^8000789 is an apocalyptic number.

It is an amenable number.

8000789 is a deficient number, since it is larger than the sum of its proper divisors (1).

8000789 is an equidigital number, since it uses as much as digits as its factorization.

8000789 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 8000789 is about 2828.5665981200. The cubic root of 8000789 is about 200.0065747839.

The spelling of 8000789 in words is "eight million, seven hundred eighty-nine", and thus it is an aban number.