The BBC link below calculates how many people were alive when you were born, and how many people had been born before you in all of history. Population calculator It's obviously a very rough value given that accurate record keeping is a fairly new thing even in the developed world, and it only asks for your date of birth and not the time of birth. My details are:
Assuming the 078 start is correct then there are 72 possibilities. Many of these will give a "number unrecognised" message which may well narrow it down to below 10 possible numbers. If someone working in an office can be arsed...
When you were born, you were the: 4,663,718,385th person alive on Earth 79,378,718,070th person to have lived since history began
Tarquin, when are you going to give up, "I know the score" on the SPL, you really are terrible at it and should be ashamed of yourself!