27427865312 has 24 divisors (see below), whose sum is σ = 54003239136. Its totient is φ = 13712756992.

The previous prime is 27427865293. The next prime is 27427865363. The reversal of 27427865312 is 21356872472.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 435908 + ... + 494844.

It is an arithmetic number, because the mean of its divisors is an integer number (2250134964).

Almost surely, 2^27427865312 is an apocalyptic number.

It is an amenable number.

27427865312 is a deficient number, since it is larger than the sum of its proper divisors (26575373824).

27427865312 is a wasteful number, since it uses less digits than its factorization.

27427865312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73490 (or 73482 counting only the distinct ones).

The product of its digits is 1128960, while the sum is 47.

The spelling of 27427865312 in words is "twenty-seven billion, four hundred twenty-seven million, eight hundred sixty-five thousand, three hundred twelve".