27840532854 has 8 divisors (see below), whose sum is σ = 55681065720. Its totient is φ = 9280177616.

The previous prime is 27840532843. The next prime is 27840532859. The reversal of 27840532854 is 45823504872.

It is a sphenic number, since it is the product of 3 distinct primes.

27840532854 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27840532859) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2320044399 + ... + 2320044410.

It is an arithmetic number, because the mean of its divisors is an integer number (6960133215).

Almost surely, 2^27840532854 is an apocalyptic number.

27840532854 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

27840532854 is a wasteful number, since it uses less digits than its factorization.

27840532854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4640088814.

The product of its (nonzero) digits is 2150400, while the sum is 48.

The spelling of 27840532854 in words is "twenty-seven billion, eight hundred forty million, five hundred thirty-two thousand, eight hundred fifty-four".