There's not enough information to narrow this down to one number. Given 3, 4, 6, 7, 8 and a total of 33, the other two digits are 0 and 5.
3,648,507 qualifies. So does 3,508,467. So do many others.
The largest digits number with only 2 digits alike is 99
1111111111
It is 10000.If you meant ONLY 2 digits alike, then it is 10023.
9876543210
987654321 is the highest nine-digit number with no repeated digits.
98,765
987654
10123456789
10,023,456,789
4
10,023,456,789
1,111,111,111