It has 8 vertices.
vertices
A sphere.
A square based pyramid
None.
Pyramid
6
If you are a solid figure with no vertices or edges, then you are a Sphere.From the lighter side: And that means that we can no longer be friends...
There is no limit to the number of vertices that a solid figure can have.
A pentagon
a sphere
sphere
blah
circle
a tetrahedron
triangular prism
Heptagonal prism
rectangular pyramid