27680586009 has 4 divisors (see below), whose sum is σ = 36907448016. Its totient is φ = 18453724004.

The previous prime is 27680585983. The next prime is 27680586023. The reversal of 27680586009 is 90068508672.

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 27680586009 - 2⁹ = 27680585497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27680586709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4613430999 + ... + 4613431004.

It is an arithmetic number, because the mean of its divisors is an integer number (9226862004).

Almost surely, 2^27680586009 is an apocalyptic number.

It is an amenable number.

27680586009 is a deficient number, since it is larger than the sum of its proper divisors (9226862007).

27680586009 is an equidigital number, since it uses as much as digits as its factorization.

27680586009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9226862006.

The product of its (nonzero) digits is 1451520, while the sum is 51.

The spelling of 27680586009 in words is "twenty-seven billion, six hundred eighty million, five hundred eighty-six thousand, nine".