27116838 has 96 divisors (see below), whose sum is σ = 72483840. Its totient is φ = 7153920.

The previous prime is 27116807. The next prime is 27116863. The reversal of 27116838 is 83861172.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 112398 + ... + 112638.

It is an arithmetic number, because the mean of its divisors is an integer number (755040).

Almost surely, 2^27116838 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27116838, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36241920).

27116838 is an abundant number, since it is smaller than the sum of its proper divisors (45367002).

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

27116838 is a wasteful number, since it uses less digits than its factorization.

27116838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322 (or 319 counting only the distinct ones).

The product of its digits is 16128, while the sum is 36.

The square root of 27116838 is about 5207.3830279710. The cubic root of 27116838 is about 300.4321106358.

The spelling of 27116838 in words is "twenty-seven million, one hundred sixteen thousand, eight hundred thirty-eight".