27768352117 has 8 divisors (see below), whose sum is σ = 30307273920. Its totient is φ = 25231851360.

The previous prime is 27768352103. The next prime is 27768352151. The reversal of 27768352117 is 71125386772.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27768352117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27768352217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 581233 + ... + 627190.

It is an arithmetic number, because the mean of its divisors is an integer number (3788409240).

Almost surely, 2^27768352117 is an apocalyptic number.

It is an amenable number.

27768352117 is a deficient number, since it is larger than the sum of its proper divisors (2538921803).

27768352117 is a wasteful number, since it uses less digits than its factorization.

27768352117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1210523.

The product of its digits is 987840, while the sum is 49.

The spelling of 27768352117 in words is "twenty-seven billion, seven hundred sixty-eight million, three hundred fifty-two thousand, one hundred seventeen".