27380881 has 8 divisors (see below), whose sum is σ = 31442400. Its totient is φ = 23581440.

The previous prime is 27380839. The next prime is 27380923. The reversal of 27380881 is 18808372.

It is an interprime number because it is at equal distance from previous prime (27380839) and next prime (27380923).

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

It is a cyclic number.

It is not a de Polignac number, because 27380881 - 2⁷ = 27380753 is a prime.

It is a super-2 number, since 2×27380881² = 1499425288672322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 27380881.

It is not an unprimeable number, because it can be changed into a prime (27389881) 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, 65296 + ... + 65713.

It is an arithmetic number, because the mean of its divisors is an integer number (3930300).

Almost surely, 2^27380881 is an apocalyptic number.

It is an amenable number.

27380881 is a deficient number, since it is larger than the sum of its proper divisors (4061519).

27380881 is a wasteful number, since it uses less digits than its factorization.

27380881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131039.

The product of its (nonzero) digits is 21504, while the sum is 37.

The square root of 27380881 is about 5232.6743640322. The cubic root of 27380881 is about 301.4040885691.

The spelling of 27380881 in words is "twenty-seven million, three hundred eighty thousand, eight hundred eighty-one".