27826897 has 4 divisors (see below), whose sum is σ = 31802176. Its totient is φ = 23851620.

The previous prime is 27826873. The next prime is 27826913. The reversal of 27826897 is 79862872.

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 a cyclic number.

It is not a de Polignac number, because 27826897 - 2¹⁹ = 27302609 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 27826897.

It is not an unprimeable number, because it can be changed into a prime (27826597) 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, 1987629 + ... + 1987642.

It is an arithmetic number, because the mean of its divisors is an integer number (7950544).

Almost surely, 2^27826897 is an apocalyptic number.

It is an amenable number.

27826897 is a deficient number, since it is larger than the sum of its proper divisors (3975279).

27826897 is an equidigital number, since it uses as much as digits as its factorization.

27826897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3975278.

The product of its digits is 677376, while the sum is 49.

The square root of 27826897 is about 5275.1205673425. The cubic root of 27826897 is about 303.0318381224.

The spelling of 27826897 in words is "twenty-seven million, eight hundred twenty-six thousand, eight hundred ninety-seven".