27984086992 has 20 divisors (see below), whose sum is σ = 54222147616. Its totient is φ = 13991274720.

The previous prime is 27984086989. The next prime is 27984087011. The reversal of 27984086992 is 29968048972.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 354403 + ... + 426109.

Almost surely, 2^27984086992 is an apocalyptic number.

It is an amenable number.

27984086992 is a deficient number, since it is larger than the sum of its proper divisors (26238060624).

27984086992 is a wasteful number, since it uses less digits than its factorization.

27984086992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96106 (or 96100 counting only the distinct ones).

The product of its (nonzero) digits is 31352832, while the sum is 64.

The spelling of 27984086992 in words is "twenty-seven billion, nine hundred eighty-four million, eighty-six thousand, nine hundred ninety-two".