Perfect Square
78985852471072987441 is a perfect square (8887398521 × 8887398521)
78985852471072987441 is a perfect square (8887398521 × 8887398521)
78985852471072987441 is odd
Previous odd number is 78985852471072987439
Next odd number is 78985852471072987443
1000100100000100110000111100101011001100011101101110001100100110001
492774163249228093052623073688339999871770894587209427007121