27993216632359 has 4 divisors (see below), whose sum is σ = 30538054508040. Its totient is φ = 25448378756680.

The previous prime is 27993216632281. The next prime is 27993216632387. The reversal of 27993216632359 is 95323661239972.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 27993216632359 - 2¹⁵ = 27993216599591 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27993216632294 and 27993216632303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27993216632159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1272418937824 + ... + 1272418937845.

It is an arithmetic number, because the mean of its divisors is an integer number (7634513627010).

Almost surely, 2^{27993216632359} is an apocalyptic number.

27993216632359 is a deficient number, since it is larger than the sum of its proper divisors (2544837875681).

27993216632359 is a wasteful number, since it uses less digits than its factorization.

27993216632359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2544837875680.

The product of its digits is 198404640, while the sum is 67.

The spelling of 27993216632359 in words is "twenty-seven trillion, nine hundred ninety-three billion, two hundred sixteen million, six hundred thirty-two thousand, three hundred fifty-nine".