27631712009 has 8 divisors (see below), whose sum is σ = 31454281152. Its totient is φ = 24027575440.

The previous prime is 27631711883. The next prime is 27631712023. The reversal of 27631712009 is 90021713672.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-27631712009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27631712509) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54607874 + ... + 54608379.

It is an arithmetic number, because the mean of its divisors is an integer number (3931785144).

Almost surely, 2^27631712009 is an apocalyptic number.

It is an amenable number.

27631712009 is a deficient number, since it is larger than the sum of its proper divisors (3822569143).

27631712009 is a wasteful number, since it uses less digits than its factorization.

27631712009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109216287.

The product of its (nonzero) digits is 31752, while the sum is 38.

The spelling of 27631712009 in words is "twenty-seven billion, six hundred thirty-one million, seven hundred twelve thousand, nine".