Question

I am a five digit number.

I have an 8 in the ten thousands place.
The rest of my digits are odd.
I have a 1 in the thousands place.
The difference between the ten thousands and the thousands place is the value of the ones place.
What is the largest number I can be?

Answer 1

81,997

Explanation:

Answer 2

81,777

Explanation:

that's it I think