It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
Almost surely, 28216587445997 is an apocalyptic number.
It is an amenable number.
8216587445997 is a wasteful number, since it uses less digits than its factorization.
8216587445997 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 391266068867.
The spelling of 8216587445997 in words is "eight trillion, two hundred sixteen billion, five hundred eighty-seven million, four hundred forty-five thousand, nine hundred ninety-seven".