Genesis 5:31

5:31 The entire lifetime of Lamech was 777 years, and then he died.

Genesis 25:7

25:7 Abraham lived a total of ¹  175 years.

[25:7]  ¹ tn Heb “and these are the days of the years of the lifetime of Abraham that he lived.” The normal genealogical formula is expanded here due to the importance of the life of Abraham.