789693089 has 2 divisors, whose sum is σ = 789693090. Its totient is φ = 789693088.

The previous prime is 789693059. The next prime is 789693097. The reversal of 789693089 is 980396987.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 756250000 + 33443089 = 27500^2 + 5783^2 .

It is a cyclic number.

It is not a de Polignac number, because 789693089 - 2²⁴ = 772915873 is a prime.

It is not a weakly prime, because it can be changed into another prime (789693059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 394846544 + 394846545.

It is an arithmetic number, because the mean of its divisors is an integer number (394846545).

Almost surely, 2^789693089 is an apocalyptic number.

It is an amenable number.

789693089 is a deficient number, since it is larger than the sum of its proper divisors (1).

789693089 is an equidigital number, since it uses as much as digits as its factorization.

789693089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5878656, while the sum is 59.

The square root of 789693089 is about 28101.4784130657. The cubic root of 789693089 is about 924.3138184477.

The spelling of 789693089 in words is "seven hundred eighty-nine million, six hundred ninety-three thousand, eighty-nine".