27447707147 has 4 divisors (see below), whose sum is σ = 31368808176. Its totient is φ = 23526606120.

The previous prime is 27447707137. The next prime is 27447707167. The reversal of 27447707147 is 74170774472.

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 27447707147 - 2¹⁰ = 27447706123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27447707095 and 27447707104.

It is not an unprimeable number, because it can be changed into a prime (27447707137) 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 3 ways as a sum of consecutive naturals, for example, 1960550504 + ... + 1960550517.

It is an arithmetic number, because the mean of its divisors is an integer number (7842202044).

Almost surely, 2^27447707147 is an apocalyptic number.

27447707147 is a deficient number, since it is larger than the sum of its proper divisors (3921101029).

27447707147 is an equidigital number, since it uses as much as digits as its factorization.

27447707147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3921101028.

The product of its (nonzero) digits is 2151296, while the sum is 50.

The spelling of 27447707147 in words is "twenty-seven billion, four hundred forty-seven million, seven hundred seven thousand, one hundred forty-seven".