Perfect Square
78919168224912321252637802500 is a perfect square (280925556375550 × 280925556375550)
78919168224912321252637802500 is a perfect square (280925556375550 × 280925556375550)
11111111 00000000 01100111 11101010 00000010 10001011 11011010 00000000 10110000 00000100 00000000 00000100
78919168224912321252637802500 is even
Previous even number is 78919168224912321252637802498
Next even number is 78919168224912321252637802502
491527134651776416259692677416188036847214102070503244356935589139920555258765625000000