| abstract |
An electrophotographic photoreceptor including a charge generating layer and a charge transfer layer accumulated on a support member, the charge transfer layer including at least two layers of a support side layer and a surface side layer, wherein the support side layer contains A mol/cm 3 of charge mol/cm 3 of charge transfer material having a dipolar moment of not more than 0.75 and inorganic particles having a number average primary particle diameter of 3-150 nm, wherein A and B satisfies relations of (1) and (2),n n9.0×10 −4 >A>3.0×10 −4 (1)n n8.0×10 −4 >B>2.0×10 −5 (2). |