If each of the digits in the number given below is arranged in the ascending order from left to right, the position of how many digits will remain unchanged as compared to that in the original number?

(Left) 6 3 5 2 8 9 7 (Right) ​​

6 3 5 2 8 9 7

​Arrange the digits in ascending order:

2 3 5 6 7 8 9

The digits that remain unchanged in position are 3 and 5.

Thus, the number of digits that remain in the same position is 2.