27919116 has 18 divisors (see below), whose sum is σ = 70573412. Its totient is φ = 9306360.

The previous prime is 27919109. The next prime is 27919121. The reversal of 27919116 is 61191972.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 775531 = 27919116 / (2 + 7 + 9 + 1 + 9 + 1 + 1 + 6).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 387730 + ... + 387801.

Almost surely, 2^27919116 is an apocalyptic number.

It is an amenable number.

27919116 is an abundant number, since it is smaller than the sum of its proper divisors (42654296).

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

27919116 is a wasteful number, since it uses less digits than its factorization.

27919116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 775541 (or 775536 counting only the distinct ones).

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

The square root of 27919116 is about 5283.8542750534. The cubic root of 27919116 is about 303.3662205886.

The spelling of 27919116 in words is "twenty-seven million, nine hundred nineteen thousand, one hundred sixteen".