27866541464 has 16 divisors (see below), whose sum is σ = 52274316120. Its totient is φ = 13926723840.

The previous prime is 27866541431. The next prime is 27866541511. The reversal of 27866541464 is 46414566872.

It is a congruent number.

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, 800249 + ... + 834344.

Almost surely, 2^27866541464 is an apocalyptic number.

It is an amenable number.

27866541464 is a deficient number, since it is larger than the sum of its proper divisors (24407774656).

27866541464 is a wasteful number, since it uses less digits than its factorization.

27866541464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1636730 (or 1636726 counting only the distinct ones).

The product of its digits is 7741440, while the sum is 53.

The spelling of 27866541464 in words is "twenty-seven billion, eight hundred sixty-six million, five hundred forty-one thousand, four hundred sixty-four".