27086961 has 16 divisors (see below), whose sum is σ = 39990528. Its totient is φ = 16170000.

The previous prime is 27086929. The next prime is 27087007. The reversal of 27086961 is 16968072.

It is not a de Polignac number, because 27086961 - 2⁵ = 27086929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27086911) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3915 + ... + 8336.

It is an arithmetic number, because the mean of its divisors is an integer number (2499408).

Almost surely, 2^27086961 is an apocalyptic number.

It is an amenable number.

27086961 is a deficient number, since it is larger than the sum of its proper divisors (12903567).

27086961 is a wasteful number, since it uses less digits than its factorization.

27086961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12332.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 27086961 is about 5204.5135219346. The cubic root of 27086961 is about 300.3217326148.

It can be divided in two parts, 2708 and 6961, that added together give a palindrome (9669).

The spelling of 27086961 in words is "twenty-seven million, eighty-six thousand, nine hundred sixty-one".