27966823548 has 24 divisors (see below), whose sum is σ = 66487166928. Its totient is φ = 9146382336.

The previous prime is 27966823529. The next prime is 27966823571. The reversal of 27966823548 is 84532866972.

It is a junction number, because it is equal to n+sod(n) for n = 27966823491 and 27966823500.

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, 21985861 + ... + 21987132.

It is an arithmetic number, because the mean of its divisors is an integer number (2770298622).

Almost surely, 2^27966823548 is an apocalyptic number.

It is an amenable number.

27966823548 is an abundant number, since it is smaller than the sum of its proper divisors (38520343380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27966823548 is a wasteful number, since it uses less digits than its factorization.

27966823548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43973053 (or 43973051 counting only the distinct ones).

The product of its digits is 34836480, while the sum is 60.

The spelling of 27966823548 in words is "twenty-seven billion, nine hundred sixty-six million, eight hundred twenty-three thousand, five hundred forty-eight".