perfect number

14 LETTERS · STARTS WITH P

perfect number is a valid 14-letter word worth 24 points in Scrabble and 30 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

P3E1R1F4E1C3T1N1U1M3B3E1R1

3 + 1 + 1 + 4 + 1 + 3 + 1 + 0 + 1 + 1 + 3 + 3 + 1 + 1 =24 PTS

DOUBLE WORD → 48TRIPLE WORD → 72

MEANING

What does perfect number mean?