Unfortunately, the title, with its poor grammar, says more than you intended.
As for your actual question, the number of programs you apply to is dependent on a multitude of factors, primarily how strong an applicant (you think) you are, and how much money you are willing to spend. In my opinion, everyone applying to a highly competitive field should apply to as many programs as you can afford, if you would consider going to those programs. Great candidates go unmatched every year.