27082881 has 12 divisors (see below), whose sum is σ = 44708352. Its totient is φ = 15475896.

The previous prime is 27082873. The next prime is 27082883. The reversal of 27082881 is 18828072.

It is not a de Polignac number, because 27082881 - 2³ = 27082873 is a prime.

It is a super-2 number, since 2×27082881² = 1466964886520322, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (27082883) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 214881 + ... + 215006.

It is an arithmetic number, because the mean of its divisors is an integer number (3725696).

Almost surely, 2^27082881 is an apocalyptic number.

27082881 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

27082881 is a deficient number, since it is larger than the sum of its proper divisors (17625471).

27082881 is a wasteful number, since it uses less digits than its factorization.

27082881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429900 (or 429897 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 36.

The square root of 27082881 is about 5204.1215397029. The cubic root of 27082881 is about 300.3066531061.

The spelling of 27082881 in words is "twenty-seven million, eighty-two thousand, eight hundred eighty-one".