27039298085 has 4 divisors (see below), whose sum is σ = 32447157708. Its totient is φ = 21631438464.

The previous prime is 27039298079. The next prime is 27039298087. The reversal of 27039298085 is 58089293072.

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 18478052356 + 8561245729 = 135934^2 + 92527^2 .

It is a cyclic number.

It is not a de Polignac number, because 27039298085 - 2¹⁸ = 27039035941 is a prime.

It is a super-2 number, since 2×27039298085² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27039298087) 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, 2703929804 + ... + 2703929813.

It is an arithmetic number, because the mean of its divisors is an integer number (8111789427).

Almost surely, 2^27039298085 is an apocalyptic number.

It is an amenable number.

27039298085 is a deficient number, since it is larger than the sum of its proper divisors (5407859623).

27039298085 is an equidigital number, since it uses as much as digits as its factorization.

27039298085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5407859622.

The product of its (nonzero) digits is 2177280, while the sum is 53.

The spelling of 27039298085 in words is "twenty-seven billion, thirty-nine million, two hundred ninety-eight thousand, eighty-five".