This is a Popular Number in India. This is car Number of Late Chief Minister Mr. M.G.Rama Chandran.
Than he had another car registered from Maharashtra as M G R 4777.
Here I like to say one more information. Sathya sai baba car Number is A D A 9. This may be Ananthapur District -Andhra 9.
It is well known information 4777 is a Lucky Number. A movie /film also Named in Tamil as 4777.