Compare the numbers digit by digit, starting from the ten-thousands place.
Ten-thousands digits: 8, 8, 8, 8. Numbers with the same ten-thousands digit are further compared at the thousands, hundreds, tens, and ones places.
From largest to smallest:
• 86351 (greatest)
• 86315
• 83651
• 83615 (smallest)
Final Answer: 86351, 86315, 83651, 83615