1,378,562,790这个数字用英语怎么写啊？

英文“十亿”是billion “百万”是million “千”是thousand “百”是hundred .百与十之间要用and连接所以这个数字应是one billion, three hundred and seventy-eight million, five hundred and sixty-two thousand, seven hundred and ninety.

one billion, three hundred and seventy-eight million, five hundred and sixty-two thousand, seven hundred and ninety.

one.three hundread seventy eight.five hundread sixty two.seven hundread ninty