27331447512 has 16 divisors (see below), whose sum is σ = 68328618840. Its totient is φ = 9110482496.

The previous prime is 27331447489. The next prime is 27331447513. The reversal of 27331447512 is 21574413372.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27331447513) 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, 569405133 + ... + 569405180.

Almost surely, 2^27331447512 is an apocalyptic number.

It is an amenable number.

27331447512 is an abundant number, since it is smaller than the sum of its proper divisors (40997171328).

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

27331447512 is a wasteful number, since it uses less digits than its factorization.

27331447512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1138810322 (or 1138810318 counting only the distinct ones).

The product of its digits is 141120, while the sum is 39.

The spelling of 27331447512 in words is "twenty-seven billion, three hundred thirty-one million, four hundred forty-seven thousand, five hundred twelve".