27027027017 has 4 divisors (see below), whose sum is σ = 27126758016. Its totient is φ = 26927296020.

The previous prime is 27027026981. The next prime is 27027027019. The reversal of 27027027017 is 71072072072.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 27027027017 - 2³⁴ = 9847157833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27027027019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49865093 + ... + 49865634.

It is an arithmetic number, because the mean of its divisors is an integer number (6781689504).

Almost surely, 2^27027027017 is an apocalyptic number.

It is an amenable number.

27027027017 is a deficient number, since it is larger than the sum of its proper divisors (99730999).

27027027017 is an equidigital number, since it uses as much as digits as its factorization.

27027027017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99730998.

The product of its (nonzero) digits is 19208, while the sum is 35.

Adding to 27027027017 its reverse (71072072072), we get a palindrome (98099099089).

The spelling of 27027027017 in words is "twenty-seven billion, twenty-seven million, twenty-seven thousand, seventeen".