789420089 has 2 divisors, whose sum is σ = 789420090. Its totient is φ = 789420088.

The previous prime is 789420013. The next prime is 789420127. The reversal of 789420089 is 980024987.

789420089 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 788767225 + 652864 = 28085^2 + 808^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-789420089 is a prime.

It is a super-3 number, since 3×789420089³ (a number of 28 digits) contains 333 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (789420389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 394710044 + 394710045.

It is an arithmetic number, because the mean of its divisors is an integer number (394710045).

Almost surely, 2^789420089 is an apocalyptic number.

It is an amenable number.

789420089 is a deficient number, since it is larger than the sum of its proper divisors (1).

789420089 is an equidigital number, since it uses as much as digits as its factorization.

789420089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 290304, while the sum is 47.

The square root of 789420089 is about 28096.6205975025. The cubic root of 789420089 is about 924.2072931998.

The spelling of 789420089 in words is "seven hundred eighty-nine million, four hundred twenty thousand, eighty-nine".