27071447017 has 4 divisors (see below), whose sum is σ = 28004945220. Its totient is φ = 26137948816.

The previous prime is 27071447009. The next prime is 27071447021. The reversal of 27071447017 is 71074417072.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5490661801 + 21580785216 = 74099^2 + 146904^2 .

It is a cyclic number.

It is not a de Polignac number, because 27071447017 - 2³ = 27071447009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27071447617) 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, 466749058 + ... + 466749115.

It is an arithmetic number, because the mean of its divisors is an integer number (7001236305).

Almost surely, 2^27071447017 is an apocalyptic number.

It is an amenable number.

27071447017 is a deficient number, since it is larger than the sum of its proper divisors (933498203).

27071447017 is an equidigital number, since it uses as much as digits as its factorization.

27071447017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 933498202.

The product of its (nonzero) digits is 76832, while the sum is 40.

The spelling of 27071447017 in words is "twenty-seven billion, seventy-one million, four hundred forty-seven thousand, seventeen".