Accidently dropped phone in water

Well i don't know if you can fix this but as I was watching and taking a bath (I know stupid idea) my phone fell in the water because it slipped of the water and it was still alive but I couldn't control it and I to check if the battery was ok,and it was but my back cover was kinda broke (It was plastic) and I could see it that I got so lucky that I could of died because the phone was still on and then I inmidiently left the bath and dyed it and when I dried it, I couldn't touch the screen so someone please help me solve this problem,

Thank You