How many years ago was 2879 BC from 2017?

To find out how many years ago 2879 BC was from 2017, you need to add the years from 2879 BC to 1 BC (which is 2878 years) and then add the years from AD 1 to 2017 (which is 2016 years). Therefore, 2879 BC was 2878 + 2016 = 4894 years ago from 2017.