View Compilation Error

0_0_31630558_28448.cpp: In function 'int main()':
0_0_31630558_28448.cpp:23:15: error: invalid operands of types 'long long int' and '__gnu_cxx::__enable_if<true, double>::__type {aka double}' to binary 'operator%'
    if(n%sqrt(n)==0&&n==sqrt(n)*sqrt(n))
               ^