27012324347 has 4 divisors (see below), whose sum is σ = 27047820936. Its totient is φ = 26976827760.

The previous prime is 27012324337. The next prime is 27012324349. The reversal of 27012324347 is 74342321072.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 27012324347 - 2¹⁰ = 27012323323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27012324349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17747153 + ... + 17748674.

It is an arithmetic number, because the mean of its divisors is an integer number (6761955234).

Almost surely, 2^27012324347 is an apocalyptic number.

27012324347 is a deficient number, since it is larger than the sum of its proper divisors (35496589).

27012324347 is an equidigital number, since it uses as much as digits as its factorization.

27012324347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35496588.

The product of its (nonzero) digits is 56448, while the sum is 35.

The spelling of 27012324347 in words is "twenty-seven billion, twelve million, three hundred twenty-four thousand, three hundred forty-seven".