I'm sure those are both on the table, but when someone is sitting on nine digits, that kind of package isn't a motivator.
And the answer, to the required number of digits, is 662.57905.
That was the day the National Deficit Clock ran out of digits.
late 14c., "numeral below 10," from Latin digitus "finger or toe" (also with secondary meanings dealing in counting and numerals), related to dicere "tell, say, point out" (see diction). Numerical sense is because numerals under 10 were counted on fingers. The "finger or toe" sense in English is attested from 1640s.
digit dig·it (dĭj'ĭt)
A finger or toe; dactyl.
A telephone number: Did you get her digits