27382688765 has 8 divisors (see below), whose sum is σ = 33479212248. Its totient is φ = 21492827200.

The previous prime is 27382688747. The next prime is 27382688803. The reversal of 27382688765 is 56788628372.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 130622041 + 27252066724 = 11429^2 + 165082^2 .

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

It is not a de Polignac number, because 27382688765 - 2¹⁰ = 27382687741 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27382688698 and 27382688707.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51665186 + ... + 51665715.

It is an arithmetic number, because the mean of its divisors is an integer number (4184901531).

Almost surely, 2^27382688765 is an apocalyptic number.

It is an amenable number.

27382688765 is a deficient number, since it is larger than the sum of its proper divisors (6096523483).

27382688765 is a wasteful number, since it uses less digits than its factorization.

27382688765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103330959.

The product of its digits is 54190080, while the sum is 62.

The spelling of 27382688765 in words is "twenty-seven billion, three hundred eighty-two million, six hundred eighty-eight thousand, seven hundred sixty-five".