27189284072 has 16 divisors (see below), whose sum is σ = 50990468100. Its totient is φ = 13591825920.

The previous prime is 27189284041. The next prime is 27189284099. The reversal of 27189284072 is 27048298172.

It can be written as a sum of positive squares in 2 ways, for example, as 24968424196 + 2220859876 = 158014^2 + 47126^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 27189284072.

It is an unprimeable number.

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, 310697 + ... + 388472.

Almost surely, 2^27189284072 is an apocalyptic number.

It is an amenable number.

27189284072 is a deficient number, since it is larger than the sum of its proper divisors (23801184028).

27189284072 is a wasteful number, since it uses less digits than its factorization.

27189284072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704036 (or 704032 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 50.

The spelling of 27189284072 in words is "twenty-seven billion, one hundred eighty-nine million, two hundred eighty-four thousand, seventy-two".