27195897 has 16 divisors (see below), whose sum is σ = 39403520. Its totient is φ = 16621200.

The previous prime is 27195887. The next prime is 27195923. The reversal of 27195897 is 79859172.

It is not a de Polignac number, because 27195897 - 2¹⁰ = 27194873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27195877) 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, 5929 + ... + 9462.

It is an arithmetic number, because the mean of its divisors is an integer number (2462720).

Almost surely, 2^27195897 is an apocalyptic number.

It is an amenable number.

27195897 is a deficient number, since it is larger than the sum of its proper divisors (12207623).

27195897 is a wasteful number, since it uses less digits than its factorization.

27195897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15444.

The product of its digits is 317520, while the sum is 48.

The square root of 27195897 is about 5214.9685521583. The cubic root of 27195897 is about 300.7237967675.

The spelling of 27195897 in words is "twenty-seven million, one hundred ninety-five thousand, eight hundred ninety-seven".