999999
1234567
> 9999876 Actually, 9999876 has four different digits (6, 7, 8, 9). The largest 7-digit number with three different digits is 9999987.
Among whole numbers, 1,023,456 is.
1000000
8,999,999 of them.
9876543
2014 ( The sum of the digits = 7, a prime number )
9999876
It is 1,000,002
greatest number9999987
There are 544,320 different possibilities. They range all the way from 1,023,456 to 9,876,543 .