27839838859 has 16 divisors (see below), whose sum is σ = 33249604608. Its totient is φ = 22811850432.

The previous prime is 27839838857. The next prime is 27839838881. The reversal of 27839838859 is 95883893872.

It is not a de Polignac number, because 27839838859 - 2¹ = 27839838857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27839838857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 969802 + ... + 998095.

It is an arithmetic number, because the mean of its divisors is an integer number (2078100288).

Almost surely, 2^27839838859 is an apocalyptic number.

27839838859 is a deficient number, since it is larger than the sum of its proper divisors (5409765749).

27839838859 is a wasteful number, since it uses less digits than its factorization.

27839838859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1967994.

The product of its digits is 209018880, while the sum is 70.

The spelling of 27839838859 in words is "twenty-seven billion, eight hundred thirty-nine million, eight hundred thirty-eight thousand, eight hundred fifty-nine".