- I am a 9 digit whole number.
- I am an even number.
- Each of my digits appears exactly three times.
- Each digit is greater than 6.
- All the digits in each period are the same.
- I am greater than 800,000,000.
- I am divisible by 3.
- I am divisible by 4.
- My millions digit is 9.
- My thousands digit is 7.
Who am I?
Answer: I am 999,777,888.
The solution can be determined by clue 6.