27286997 has 8 divisors (see below), whose sum is σ = 28141344. Its totient is φ = 26445328.

The previous prime is 27286979. The next prime is 27287003. The reversal of 27286997 is 79968272.

It is a happy number.

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 27286997 - 2¹² = 27282901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27286937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1298 + ... + 7500.

It is an arithmetic number, because the mean of its divisors is an integer number (3517668).

Almost surely, 2^27286997 is an apocalyptic number.

It is an amenable number.

27286997 is a deficient number, since it is larger than the sum of its proper divisors (854347).

27286997 is an equidigital number, since it uses as much as digits as its factorization.

27286997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6339.

The product of its digits is 762048, while the sum is 50.

The square root of 27286997 is about 5223.6957223789. The cubic root of 27286997 is about 301.0592077140.

The spelling of 27286997 in words is "twenty-seven million, two hundred eighty-six thousand, nine hundred ninety-seven".