27909641089 has 8 divisors (see below), whose sum is σ = 30448140768. Its totient is φ = 25371351360.

The previous prime is 27909641087. The next prime is 27909641107. The reversal of 27909641089 is 98014690972.

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

It is a cyclic number.

It is not a de Polignac number, because 27909641089 - 2¹ = 27909641087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27909641083) 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 7 ways as a sum of consecutive naturals, for example, 381609 + ... + 448825.

It is an arithmetic number, because the mean of its divisors is an integer number (3806017596).

Almost surely, 2^27909641089 is an apocalyptic number.

It is an amenable number.

27909641089 is a deficient number, since it is larger than the sum of its proper divisors (2538499679).

27909641089 is a wasteful number, since it uses less digits than its factorization.

27909641089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104975.

The product of its (nonzero) digits is 1959552, while the sum is 55.

The spelling of 27909641089 in words is "twenty-seven billion, nine hundred nine million, six hundred forty-one thousand, eighty-nine".