27228887 has 8 divisors (see below), whose sum is σ = 31346976. Its totient is φ = 23167872.

The previous prime is 27228871. The next prime is 27228889. The reversal of 27228887 is 78882272.

It is a happy number.

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

It is not a de Polignac number, because 27228887 - 2⁴ = 27228871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27228889) 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, 13238 + ... + 15155.

It is an arithmetic number, because the mean of its divisors is an integer number (3918372).

Almost surely, 2^27228887 is an apocalyptic number.

27228887 is a deficient number, since it is larger than the sum of its proper divisors (4118089).

27228887 is a wasteful number, since it uses less digits than its factorization.

27228887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28537.

The product of its digits is 200704, while the sum is 44.

The square root of 27228887 is about 5218.1306039615. The cubic root of 27228887 is about 300.8453453630.

The spelling of 27228887 in words is "twenty-seven million, two hundred twenty-eight thousand, eight hundred eighty-seven".