27012734547 has 8 divisors (see below), whose sum is σ = 36854583744. Its totient is φ = 17589687528.

The previous prime is 27012734543. The next prime is 27012734557. The reversal of 27012734547 is 74543721072.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 27012734547 - 2² = 27012734543 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27012734499 and 27012734508.

It is not an unprimeable number, because it can be changed into a prime (27012734543) 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 7 ways as a sum of consecutive naturals, for example, 104700393 + ... + 104700650.

It is an arithmetic number, because the mean of its divisors is an integer number (4606822968).

Almost surely, 2^27012734547 is an apocalyptic number.

27012734547 is a deficient number, since it is larger than the sum of its proper divisors (9841849197).

27012734547 is a wasteful number, since it uses less digits than its factorization.

27012734547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209401089.

The product of its (nonzero) digits is 329280, while the sum is 42.

The spelling of 27012734547 in words is "twenty-seven billion, twelve million, seven hundred thirty-four thousand, five hundred forty-seven".