27550943384 has 16 divisors (see below), whose sum is σ = 51956622720. Its totient is φ = 13695844000.

The previous prime is 27550943383. The next prime is 27550943411. The reversal of 27550943384 is 48334905572.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27550943383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9951992 + ... + 9954759.

It is an arithmetic number, because the mean of its divisors is an integer number (3247288920).

Almost surely, 2^27550943384 is an apocalyptic number.

It is an amenable number.

27550943384 is a deficient number, since it is larger than the sum of its proper divisors (24405679336).

27550943384 is a wasteful number, since it uses less digits than its factorization.

27550943384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19906930 (or 19906926 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 50.

The spelling of 27550943384 in words is "twenty-seven billion, five hundred fifty million, nine hundred forty-three thousand, three hundred eighty-four".