97632 is the largest number containing these digits. To make the largest number simply order the numbers in descending order. As it happens this results in an even number so nothing further is necessary.
You get the largest number if you sort the digits, from largest to smallest.
the largest five digit number that can be formed using the digits 7 and 9 is 97,000
874321 is the largest number made from all these digits.
Assign the digits from left to right, using the largest possible digit in each case. Don't forget to reserve an even digit for the last position.
146..4 is the second largest digit from a no
99 is the largest two digit number. If I can use the digits anyway I want, then 9 to the 9th power is larger