27728588854 has 8 divisors (see below), whose sum is σ = 44039523528. Its totient is φ = 13048747680.

The previous prime is 27728588821. The next prime is 27728588857. The reversal of 27728588854 is 45888582772.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27728588857) 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, 407773332 + ... + 407773399.

It is an arithmetic number, because the mean of its divisors is an integer number (5504940441).

Almost surely, 2^27728588854 is an apocalyptic number.

27728588854 is a deficient number, since it is larger than the sum of its proper divisors (16310934674).

27728588854 is a wasteful number, since it uses less digits than its factorization.

27728588854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 815546750.

The product of its digits is 80281600, while the sum is 64.

The spelling of 27728588854 in words is "twenty-seven billion, seven hundred twenty-eight million, five hundred eighty-eight thousand, eight hundred fifty-four".