27854244855 has 24 divisors (see below), whose sum is σ = 49099012560. Its totient is φ = 14603806080.

The previous prime is 27854244841. The next prime is 27854244857. The reversal of 27854244855 is 55844245872.

27854244855 is a `hidden beast` number, since 2 + 7 + 8 + 542 + 4 + 48 + 55 = 666.

It is not a de Polignac number, because 27854244855 - 2⁶ = 27854244791 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27854244857) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5242966 + ... + 5248275.

It is an arithmetic number, because the mean of its divisors is an integer number (2045792190).

Almost surely, 2^27854244855 is an apocalyptic number.

27854244855 is a deficient number, since it is larger than the sum of its proper divisors (21244767705).

27854244855 is a wasteful number, since it uses less digits than its factorization.

27854244855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10491311 (or 10491308 counting only the distinct ones).

The product of its digits is 14336000, while the sum is 54.

The spelling of 27854244855 in words is "twenty-seven billion, eight hundred fifty-four million, two hundred forty-four thousand, eight hundred fifty-five".