Today, 10,000 CFA francs (XOF) is approximately equivalent to 27,177 Nigerian Naira (NGN) based on the mid-market exchange rate. This means the rate is about 2.7177 Naira for 1 CFA franc.
Note that the black market rates might differ and can be higher than the official mid-market rate. For example, the black market rate for 1 CFA franc can be around 2,600 Naira or 2,410 Naira depending on the CFA currency type (West African CFA or Central African CFA) and market conditions. But officially, you can expect around 27,177 Naira for 10,000 CFA francs today.
