27000647712 has 72 divisors (see below), whose sum is σ = 76820709420. Its totient is φ = 8995806720.

The previous prime is 27000647701. The next prime is 27000647717. The reversal of 27000647712 is 21774600072.

It is a happy number.

27000647712 is a `hidden beast` number, since 2 + 7 + 0 + 0 + 0 + 647 + 7 + 1 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 21352223376 + 5648424336 = 146124^2 + 75156^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (27000647717) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 594714 + ... + 638502.

Almost surely, 2^27000647712 is an apocalyptic number.

It is an amenable number.

27000647712 is an abundant number, since it is smaller than the sum of its proper divisors (49820061708).

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

27000647712 is a wasteful number, since it uses less digits than its factorization.

27000647712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45946 (or 45935 counting only the distinct ones).

The product of its (nonzero) digits is 32928, while the sum is 36.

The spelling of 27000647712 in words is "twenty-seven billion, six hundred forty-seven thousand, seven hundred twelve".