27864846872 has 32 divisors (see below), whose sum is σ = 55771027200. Its totient is φ = 13013229600.

The previous prime is 27864846839. The next prime is 27864846917.

27864846872 is nontrivially palindromic in base 10.

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, 1280204 + ... + 1301787.

It is an arithmetic number, because the mean of its divisors is an integer number (1742844600).

Almost surely, 2^27864846872 is an apocalyptic number.

It is an amenable number.

27864846872 is an abundant number, since it is smaller than the sum of its proper divisors (27906180328).

27864846872 is a wasteful number, since it uses less digits than its factorization.

27864846872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2582087 (or 2582083 counting only the distinct ones).

The product of its digits is 57802752, while the sum is 62.

The spelling of 27864846872 in words is "twenty-seven billion, eight hundred sixty-four million, eight hundred forty-six thousand, eight hundred seventy-two".