86400000

86400000 is an interesting Class 2 number. It would be expressed as 'eighty-six million, four hundred thousand' in both the short and long scales. It is equivalent to five hyperfactorial (\(1^1 \times 2^2 \times 3^3 \times 4^4 \times 5^5\)). Additionally, it has an unrelated property: It is equivalent to the number of milliseconds in a day