27216700017 has 16 divisors (see below), whose sum is σ = 39124498560. Its totient is φ = 16729856016.

The previous prime is 27216699907. The next prime is 27216700033. The reversal of 27216700017 is 71000761272.

It is a happy number.

It is not a de Polignac number, because 27216700017 - 2¹⁸ = 27216437873 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27216700037) 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 15 ways as a sum of consecutive naturals, for example, 30683548 + ... + 30684434.

It is an arithmetic number, because the mean of its divisors is an integer number (2445281160).

Almost surely, 2^27216700017 is an apocalyptic number.

It is an amenable number.

27216700017 is a deficient number, since it is larger than the sum of its proper divisors (11907798543).

27216700017 is an frugal number, since it uses more digits than its factorization.

27216700017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2677 (or 903 counting only the distinct ones).

The product of its (nonzero) digits is 8232, while the sum is 33.

The spelling of 27216700017 in words is "twenty-seven billion, two hundred sixteen million, seven hundred thousand, seventeen".