It is a ninedigit whole number It is an even number Each of

It is a nine-digit whole number. It is an even number. Each of its digits appears exactly three times. Each digit is greater than 6. All the digits in each period are the same. It is greater than 800, 000, 000. It is divisible by 3. It is divisible by 4. Its millions digit is 9. Its thousands digit is 7.

Solution

The number is 999,777,,888

Because it is a 9 digit number .Each digit is greater than 6 .It is greater than 8.00,000,000.

Rest all conditions are satisfied.