Echinopsis chamaecereus silvestrii - Peanut Cactus
This cactus has stunning deep orange flowers on columns with prickly spines. Each flower lasts for one day but more coming. The plant grows lots of segments and will form a clump, or you can remove and root segments to grow more plants.
Your plant will be similar to the one in the photos.
Part sun, protect from hot afternoon sun
Let dry between watering, water deeply
Not as picky about soil
Ships in a plastic pot with soil.