this number signifies money.
This is probably the most popular number - and the more 8's you can get- the more money is sure to come your way. Chinese people will pay a lot of money to get a telephone number or licence plate that has a lot of 8's in it. Some people will buy up phone numbers and licence plates with lucky numbers, advertise them for sale, and make a nice little profit on the transaction. Street poles are often covered in telephone numbers for sale.