27484855689 has 16 divisors (see below), whose sum is σ = 38805782400. Its totient is φ = 17243784960.

The previous prime is 27484855681. The next prime is 27484855711. The reversal of 27484855689 is 98655848472.

It is not a de Polignac number, because 27484855689 - 2³ = 27484855681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27484855681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 765244 + ... + 800354.

It is an arithmetic number, because the mean of its divisors is an integer number (2425361400).

Almost surely, 2^27484855689 is an apocalyptic number.

It is an amenable number.

27484855689 is a deficient number, since it is larger than the sum of its proper divisors (11320926711).

27484855689 is a wasteful number, since it uses less digits than its factorization.

27484855689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50480.

The product of its digits is 154828800, while the sum is 66.

The spelling of 27484855689 in words is "twenty-seven billion, four hundred eighty-four million, eight hundred fifty-five thousand, six hundred eighty-nine".