Perfect Square
27798661358196159975769 is a perfect square (166729305637 × 166729305637)
27798661358196159975769 is a perfect square (166729305637 × 166729305637)
27798661358196159975769 is odd
Previous odd number is 27798661358196159975767
Next odd number is 27798661358196159975771
101111000101111011111101100011101011010100011000100000000001001000101011001
21481848481652182739543204986715346231527027433954304847894257681609