27967188912 has 40 divisors (see below), whose sum is σ = 77806155504. Its totient is φ = 8605288704.

The previous prime is 27967188883. The next prime is 27967188917. The reversal of 27967188912 is 21988176972.

It is not an unprimeable number, because it can be changed into a prime (27967188917) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 22408983 + ... + 22410230.

Almost surely, 2^27967188912 is an apocalyptic number.

It is an amenable number.

27967188912 is an abundant number, since it is smaller than the sum of its proper divisors (49838966592).

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

27967188912 is a wasteful number, since it uses less digits than its factorization.

27967188912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44819237 (or 44819231 counting only the distinct ones).

The product of its digits is 6096384, while the sum is 60.

The spelling of 27967188912 in words is "twenty-seven billion, nine hundred sixty-seven million, one hundred eighty-eight thousand, nine hundred twelve".