Only Number Of Its Kind

Riddle: The following number is the only one of its kind: 8,549,176,320 Can you figure out what is so special about it?

Answer: It's the only number that has all the digits arranged in alphabetical order.

Source: https://www.riddles.com/620

The following number is the only one of its kind: 8,549,176,320 Can you figure out what is so special about it? — Only number of its kind by Anonymous v1.

Riddle: The following number is the only one of its kind: 8,549,176,320 Can you figure out what is so special about it? Answer: It's the only number that has all the digits arranged in <a href="/quiz/alphabet-riddles">alphabetical</a> order. — by Anonymous v2.