232808789 has 2 divisors, whose sum is σ = 232808790. Its totient is φ = 232808788.

The previous prime is 232808777. The next prime is 232808803. The reversal of 232808789 is 987808232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 158331889 + 74476900 = 12583^2 + 8630^2 .

It is a cyclic number.

It is not a de Polignac number, because 232808789 - 2⁸ = 232808533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (232808689) 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, 116404394 + 116404395.

It is an arithmetic number, because the mean of its divisors is an integer number (116404395).

Almost surely, 2^232808789 is an apocalyptic number.

It is an amenable number.

232808789 is a deficient number, since it is larger than the sum of its proper divisors (1).

232808789 is an equidigital number, since it uses as much as digits as its factorization.

232808789 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 387072, while the sum is 47.

The square root of 232808789 is about 15258.0729123962. The cubic root of 232808789 is about 615.1765760848.

The spelling of 232808789 in words is "two hundred thirty-two million, eight hundred eight thousand, seven hundred eighty-nine".