27923880 has 32 divisors (see below), whose sum is σ = 83772000. Its totient is φ = 7446336.

The previous prime is 27923867. The next prime is 27923881. The reversal of 27923880 is 8832972.

It is not an unprimeable number, because it can be changed into a prime (27923881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116230 + ... + 116469.

It is an arithmetic number, because the mean of its divisors is an integer number (2617875).

Almost surely, 2^27923880 is an apocalyptic number.

27923880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27923880 is an abundant number, since it is smaller than the sum of its proper divisors (55848120).

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

27923880 is a wasteful number, since it uses less digits than its factorization.

27923880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232713 (or 232709 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 27923880 is about 5284.3050631091. The cubic root of 27923880 is about 303.3834746507.

The spelling of 27923880 in words is "twenty-seven million, nine hundred twenty-three thousand, eight hundred eighty".