27280085 has 16 divisors (see below), whose sum is σ = 37497600. Its totient is φ = 18663936.

The previous prime is 27280079. The next prime is 27280091. The reversal of 27280085 is 58008272.

It is an interprime number because it is at equal distance from previous prime (27280079) and next prime (27280091).

It is a cyclic number.

It is not a de Polignac number, because 27280085 - 2¹⁴ = 27263701 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28901 + ... + 29829.

It is an arithmetic number, because the mean of its divisors is an integer number (2343600).

Almost surely, 2^27280085 is an apocalyptic number.

It is an amenable number.

27280085 is a deficient number, since it is larger than the sum of its proper divisors (10217515).

27280085 is an equidigital number, since it uses as much as digits as its factorization.

27280085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1780.

The product of its (nonzero) digits is 8960, while the sum is 32.

The square root of 27280085 is about 5223.0340799194. The cubic root of 27280085 is about 301.0337853858.

The spelling of 27280085 in words is "twenty-seven million, two hundred eighty thousand, eighty-five".