Mount Chimborazo is the point on Earth closest to the Sun due to the equatorial bulge.
Why it is true
The Earth is not a perfect sphere, being wider at the equator. Because Chimborazo is very close to the equator, its summit is further from the Earth's center than Everest's.
Source: Geodesy Institute
Would you rather be asked first?
This is the reading side of the site, so the answer is in the sentence above — that is the whole point of it. Test yourself works the other way round: the question comes on its own, and the fact and the explanation only appear once you have answered.