27879422 has 32 divisors (see below), whose sum is σ = 47174400. Its totient is φ = 12279168.

The previous prime is 27879419. The next prime is 27879443. The reversal of 27879422 is 22497872.

It is a self number, because there is not a number n which added to its sum of digits gives 27879422.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66329 + ... + 66747.

It is an arithmetic number, because the mean of its divisors is an integer number (1474200).

Almost surely, 2^27879422 is an apocalyptic number.

27879422 is a deficient number, since it is larger than the sum of its proper divisors (19294978).

27879422 is a wasteful number, since it uses less digits than its factorization.

27879422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560.

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

The square root of 27879422 is about 5280.0967794161. The cubic root of 27879422 is about 303.2223821031. Note that the first 3 decimals are identical.

The spelling of 27879422 in words is "twenty-seven million, eight hundred seventy-nine thousand, four hundred twenty-two".