27111996 has 36 divisors (see below), whose sum is σ = 71073912. Its totient is φ = 9037008.

The previous prime is 27111983. The next prime is 27112021. The reversal of 27111996 is 69911172.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 27111996.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12975 + ... + 14918.

Almost surely, 2^27111996 is an apocalyptic number.

It is an amenable number.

27111996 is an abundant number, since it is smaller than the sum of its proper divisors (43961916).

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

27111996 is a wasteful number, since it uses less digits than its factorization.

27111996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27912 (or 27898 counting only the distinct ones).

The product of its digits is 6804, while the sum is 36.

The square root of 27111996 is about 5206.9180903871. The cubic root of 27111996 is about 300.4142277879.

The spelling of 27111996 in words is "twenty-seven million, one hundred eleven thousand, nine hundred ninety-six".