27731840882 has 8 divisors (see below), whose sum is σ = 42009620652. Its totient is φ = 13728634000.

The previous prime is 27731840879. The next prime is 27731840897. The reversal of 27731840882 is 28804813772.

It can be written as a sum of positive squares in 2 ways, for example, as 22961037841 + 4770803041 = 151529^2 + 69071^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 27731840882.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68642969 + ... + 68643372.

Almost surely, 2^27731840882 is an apocalyptic number.

27731840882 is a deficient number, since it is larger than the sum of its proper divisors (14277779770).

27731840882 is a wasteful number, since it uses less digits than its factorization.

27731840882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137286444.

The product of its (nonzero) digits is 1204224, while the sum is 50.

The spelling of 27731840882 in words is "twenty-seven billion, seven hundred thirty-one million, eight hundred forty thousand, eight hundred eighty-two".