27879216 has 40 divisors (see below), whose sum is σ = 72733440. Its totient is φ = 9201216.

The previous prime is 27879193. The next prime is 27879227. The reversal of 27879216 is 61297872.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2125 + ... + 7763.

It is an arithmetic number, because the mean of its divisors is an integer number (1818336).

Almost surely, 2^27879216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27879216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36366720).

27879216 is an abundant number, since it is smaller than the sum of its proper divisors (44854224).

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

27879216 is a wasteful number, since it uses less digits than its factorization.

27879216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5753 (or 5747 counting only the distinct ones).

The product of its digits is 84672, while the sum is 42.

The square root of 27879216 is about 5280.0772721618. The cubic root of 27879216 is about 303.2216352683.

The spelling of 27879216 in words is "twenty-seven million, eight hundred seventy-nine thousand, two hundred sixteen".