27706120013 has 16 divisors (see below), whose sum is σ = 32616222912. Its totient is φ = 23202480000.

The previous prime is 27706119997. The next prime is 27706120019. The reversal of 27706120013 is 31002160772.

It is a cyclic number.

It is not a de Polignac number, because 27706120013 - 2⁴ = 27706119997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27706120019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127088 + ... + 267513.

It is an arithmetic number, because the mean of its divisors is an integer number (2038513932).

Almost surely, 2^27706120013 is an apocalyptic number.

It is an amenable number.

27706120013 is a deficient number, since it is larger than the sum of its proper divisors (4910102899).

27706120013 is a wasteful number, since it uses less digits than its factorization.

27706120013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395116.

The product of its (nonzero) digits is 3528, while the sum is 29.

Adding to 27706120013 its reverse (31002160772), we get a palindrome (58708280785).

The spelling of 27706120013 in words is "twenty-seven billion, seven hundred six million, one hundred twenty thousand, thirteen".