27556347912 has 32 divisors (see below), whose sum is σ = 68974221600. Its totient is φ = 9174335744.

The previous prime is 27556347893. The next prime is 27556347947. The reversal of 27556347912 is 21974365572.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 674337 + ... + 714032.

It is an arithmetic number, because the mean of its divisors is an integer number (2155444425).

Almost surely, 2^27556347912 is an apocalyptic number.

It is an amenable number.

27556347912 is an abundant number, since it is smaller than the sum of its proper divisors (41417873688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27556347912 is a wasteful number, since it uses less digits than its factorization.

27556347912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1389205 (or 1389201 counting only the distinct ones).

The product of its digits is 3175200, while the sum is 51.

The spelling of 27556347912 in words is "twenty-seven billion, five hundred fifty-six million, three hundred forty-seven thousand, nine hundred twelve".