27838897 has 2 divisors, whose sum is σ = 27838898. Its totient is φ = 27838896.

The previous prime is 27838883. The next prime is 27838913. The reversal of 27838897 is 79883872.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22193521 + 5645376 = 4711^2 + 2376^2 .

It is a cyclic number.

It is not a de Polignac number, because 27838897 - 2²³ = 19450289 is a prime.

It is not a weakly prime, because it can be changed into another prime (27838817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13919448 + 13919449.

It is an arithmetic number, because the mean of its divisors is an integer number (13919449).

Almost surely, 2^27838897 is an apocalyptic number.

It is an amenable number.

27838897 is a deficient number, since it is larger than the sum of its proper divisors (1).

27838897 is an equidigital number, since it uses as much as digits as its factorization.

27838897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1354752, while the sum is 52.

The square root of 27838897 is about 5276.2578595061. The cubic root of 27838897 is about 303.0753914211.

The spelling of 27838897 in words is "twenty-seven million, eight hundred thirty-eight thousand, eight hundred ninety-seven".