Five hundred - millions, 8 millions, 23 ten-thousands, 691 tens and 7 ones

508 236 917

84 678 382

Eight hundred - millions, four millions, six hundred-thousands, seven ten-thousands, eight thousands, three hundreds, eight tens, two ones.

BUT

The number is:

eighty-four million, six hundred seventy-eight thousand, three hundred eighty-two.

3 tenths

3 hundredths

3 thousandths

3 ones

3 tens

256 thousandths =  25 hundredths 6 thousands = 2 tenths 5 hundredths 6 thousandths

6 092 047 millionths = 60 tenths 92 thousanths 2 047 millionths = 609 hundreths 20 ten thousanths 47 millionths

120 005 hundred thousanths = 120 hundreths 5 hundred thousanths