27716889 has 8 divisors (see below), whose sum is σ = 36991872. Its totient is φ = 18459920.

The previous prime is 27716879. The next prime is 27716891. The reversal of 27716889 is 98861772.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 27716889 - 2⁴ = 27716873 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (27716869) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 369 + ... + 7454.

It is an arithmetic number, because the mean of its divisors is an integer number (4623984).

Almost surely, 2^27716889 is an apocalyptic number.

It is an amenable number.

27716889 is a deficient number, since it is larger than the sum of its proper divisors (9274983).

27716889 is a wasteful number, since it uses less digits than its factorization.

27716889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9007.

The product of its digits is 338688, while the sum is 48.

The square root of 27716889 is about 5264.6831813510. The cubic root of 27716889 is about 302.6319857526.

The spelling of 27716889 in words is "twenty-seven million, seven hundred sixteen thousand, eight hundred eighty-nine".