27091775017 has 8 divisors (see below), whose sum is σ = 27508896800. Its totient is φ = 26675028864.

The previous prime is 27091774987. The next prime is 27091775047. The reversal of 27091775017 is 71057719072.

It is an interprime number because it is at equal distance from previous prime (27091774987) and next prime (27091775047).

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 27091775017 - 2¹⁹ = 27091250729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27091775047) 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, 53209 + ... + 238777.

It is an arithmetic number, because the mean of its divisors is an integer number (3438612100).

Almost surely, 2^27091775017 is an apocalyptic number.

It is an amenable number.

27091775017 is a deficient number, since it is larger than the sum of its proper divisors (417121783).

27091775017 is a wasteful number, since it uses less digits than its factorization.

27091775017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187815.

The product of its (nonzero) digits is 216090, while the sum is 46.

The spelling of 27091775017 in words is "twenty-seven billion, ninety-one million, seven hundred seventy-five thousand, seventeen".