Perfect Square
27798661359529994420881 is a perfect square (166729305641 × 166729305641)
27798661359529994420881 is a perfect square (166729305641 × 166729305641)
27798661359529994420881 is odd
Previous odd number is 27798661359529994420879
Next odd number is 27798661359529994420883
101111000101111011111101100011101101101111101010010101110110000001010010001
21481848484744406758715047187625536328392920337267027261502948657841