27228479 has 4 divisors (see below), whose sum is σ = 27242880. Its totient is φ = 27214080.

The previous prime is 27228451. The next prime is 27228491. The reversal of 27228479 is 97482272.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 27228479 - 2¹² = 27224383 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 (27228079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3842 + ... + 8319.

It is an arithmetic number, because the mean of its divisors is an integer number (6810720).

Almost surely, 2^27228479 is an apocalyptic number.

27228479 is a deficient number, since it is larger than the sum of its proper divisors (14401).

27228479 is a wasteful number, since it uses less digits than its factorization.

27228479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14400.

The product of its digits is 112896, while the sum is 41.

The square root of 27228479 is about 5218.0915093547. The cubic root of 27228479 is about 300.8438427246.

The spelling of 27228479 in words is "twenty-seven million, two hundred twenty-eight thousand, four hundred seventy-nine".