27243167984 has 20 divisors (see below), whose sum is σ = 53906695584. Its totient is φ = 13331762688.

The previous prime is 27243167983. The next prime is 27243168013. The reversal of 27243167984 is 48976134272.

It is a happy number.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27243167983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18113057 + ... + 18114560.

Almost surely, 2^27243167984 is an apocalyptic number.

It is an amenable number.

27243167984 is a deficient number, since it is larger than the sum of its proper divisors (26663527600).

27243167984 is a wasteful number, since it uses less digits than its factorization.

27243167984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36227672 (or 36227666 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 53.

The spelling of 27243167984 in words is "twenty-seven billion, two hundred forty-three million, one hundred sixty-seven thousand, nine hundred eighty-four".