(data not available)

(x_1 - c_1)^2 + (x_2 - c_2)^2 + (x_3 - c_3)^2 + (x_4 - c_4)^2 + (x_5 - c_5)^2 + (x_6 - c_6)^2 + (x_7 - c_7)^2 = r^2 (assuming center (c_1, c_2, c_3, c_4, c_5, c_6, c_7) and radius r)

diameter | 2 r content | (16 π^3 r^7)/105≈4.72477 r^7 hyper-surface area | (16 π^3 r^6)/15≈33.0734 r^6 (assuming center (c_1, c_2, c_3, c_4, c_5, c_6, c_7) and radius r)

| S^6 π_6 | Z π_7 | Z_2 π_8 | Z_2 π_9 | Z_8×Z_3 π_10 | 0 π_11 | Z π_12 | Z_2 π_13 | Z_4×Z_3×Z_5 π_14 | Z_8×Z_2×Z_3 π_15 | Z_2^3 π_16 | Z_8×Z_2×Z_9