Perfect Square
78919318898513056987437081600 is a perfect square (280925824548960 × 280925824548960)
78919318898513056987437081600 is a perfect square (280925824548960 × 280925824548960)
11111111 00000000 10000111 11010010 00001010 11001110 00111000 00110011 11111100 01000000 00100100 00000000
78919318898513056987437081600 is even
Previous even number is 78919318898513056987437081598
Next even number is 78919318898513056987437081602
491529949948983669343819988857852934087223243238469999283387401047587417275498496000000