188327089 has 2 divisors, whose sum is σ = 188327090. Its totient is φ = 188327088.

The previous prime is 188327047. The next prime is 188327101. The reversal of 188327089 is 980723881.

188327089 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., 136702864 + 51624225 = 11692^2 + 7185^2 .

It is a cyclic number.

It is not a de Polignac number, because 188327089 - 2⁷ = 188326961 is a prime.

It is not a weakly prime, because it can be changed into another prime (188307089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94163544 + 94163545.

It is an arithmetic number, because the mean of its divisors is an integer number (94163545).

Almost surely, 2^188327089 is an apocalyptic number.

It is an amenable number.

188327089 is a deficient number, since it is larger than the sum of its proper divisors (1).

188327089 is an equidigital number, since it uses as much as digits as its factorization.

188327089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 193536, while the sum is 46.

The square root of 188327089 is about 13723.2317257999. The cubic root of 188327089 is about 573.1974695719.

It can be divided in two parts, 18832 and 7089, that added together give a square (25921 = 161²).

The spelling of 188327089 in words is "one hundred eighty-eight million, three hundred twenty-seven thousand, eighty-nine".