I agree with you except that of saying Apostles and Prophets have ceased !!!
The Word of God clearly says and shows from Acts to Revelation that prophecy still will be around tell the end, and as for being an apostle that simply means one sent from God to spread the good news........
This does not have to be one who has personally seen or walked with Jesus, as there are a number of people in the Bible named as apostles that came later under the guidance of Paul, Peter, and John.............
See, it hinges on definition. By Prophets and Apostles one of the thing I have in mind is that there are no one today whose words are equal to Scripture as there were with the prophets and original apostles. I did say the OFFICE of...but you may have overlooked that.