27268997 has 4 divisors (see below), whose sum is σ = 31164576. Its totient is φ = 23373420.

The previous prime is 27268993. The next prime is 27268999. The reversal of 27268997 is 79986272.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 27268997 - 2² = 27268993 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 (27268993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1947779 + ... + 1947792.

It is an arithmetic number, because the mean of its divisors is an integer number (7791144).

Almost surely, 2^27268997 is an apocalyptic number.

It is an amenable number.

27268997 is a deficient number, since it is larger than the sum of its proper divisors (3895579).

27268997 is an equidigital number, since it uses as much as digits as its factorization.

27268997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3895578.

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

The square root of 27268997 is about 5221.9725200349. The cubic root of 27268997 is about 300.9929947634.

The spelling of 27268997 in words is "twenty-seven million, two hundred sixty-eight thousand, nine hundred ninety-seven".