The number 777 And 717 the number 77  :

The number (77) Mathew 7:7 Ask and it shall be given you seek and you shall find knock and it shall be open unto you.

The number(777) 2 Esdras 7:77 after all , you have a treasure of good works stored up with God Most High ,which will not be shown to you until the last days. 

The number (717) John 7:17 (challenge ) If any man will do his will he shall know of the doctrine weather it be of God or weather I speak of myself.