25 - Twenty five

879 -  Eight hundred seventy nine

178 - one hundred and seventy-eight

010 - Ten

638 - six hundred and thirty eight

005 - five

7.896 - seven thousand eight hundred and ninety six

425 - four hundred twenty five

25879 twenty five thousand eight hundred seventy nine

178010 one hundred seventy eight thousand ten

638005 six hundred thirty eight thousand five

7896425 seven million eight hundred ninety six thousand four hundred twenty five