Who called from 2486677845

I got a text. It said "Lets catch up on yahoo and then something about there user IM name". I texted back who is this and got no response. Think it is a scammer of some sort.

Just got a text just said heyy.  deleted same.

Just got a text : "Heyy :P"   I deleted.

Received text "Hey ;D"  responded back and was asked to chat on yahoo

I got a text. It said "Lets catch up on yahoo and then something about there user IM name". I texted back who is this and got no response. Think it is a scammer of some sort.