This movie is set to be released 27 years after the original television release. In the book, it is mentioned that "It" returns to Derry approximately every 27 years. Jonathan Brandis, who played young Bill in the original film, died at 27 years old. This movie released one month after Bill Skarsgard (Pennywise) 27th birthday
That's a bit like the stuff that happened with Poltergeist!