27129085 has 16 divisors (see below), whose sum is σ = 33929280. Its totient is φ = 20805760.

The previous prime is 27129077. The next prime is 27129097. The reversal of 27129085 is 58092172.

It is not a de Polignac number, because 27129085 - 2³ = 27129077 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 27129085.

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, 10974 + ... + 13216.

It is an arithmetic number, because the mean of its divisors is an integer number (2120580).

Almost surely, 2^27129085 is an apocalyptic number.

It is an amenable number.

27129085 is a deficient number, since it is larger than the sum of its proper divisors (6800195).

27129085 is a wasteful number, since it uses less digits than its factorization.

27129085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2348.

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 27129085 is about 5208.5588217855. The cubic root of 27129085 is about 300.4773327014.

The spelling of 27129085 in words is "twenty-seven million, one hundred twenty-nine thousand, eighty-five".