Write the following number in figures and separate it by proper commas:

Seven arab eight crore twelve lakh and five hundred.

Write the following number in figures and separate it by proper commas:

Nine arab seven crore seven thousand and nine.

Write the face value and place value of the even digits: $4 32 65 781$.

Write the face value and place value of the even digits of the number. $21 67 30 859.$

Write the face value and place value of the even digits: $4 05 16 38 157.$

Write the difference of the place values of the odd digits in each of the following: $34 67 802.$

Write the difference of the place values of the odd digits: $7 43 66 280.$

Write the difference of the place values of the odd digits: $2 57 84 084.$

Write the following number in the expanded form: $5 81 74 632$