27538797 has 32 divisors (see below), whose sum is σ = 45029376. Its totient is φ = 14731200.

The previous prime is 27538787. The next prime is 27538799. The reversal of 27538797 is 79783572.

It is not a de Polignac number, because 27538797 - 2⁷ = 27538669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27538799) 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 31 ways as a sum of consecutive naturals, for example, 8472 + ... + 11262.

It is an arithmetic number, because the mean of its divisors is an integer number (1407168).

Almost surely, 2^27538797 is an apocalyptic number.

It is an amenable number.

27538797 is a deficient number, since it is larger than the sum of its proper divisors (17490579).

27538797 is a wasteful number, since it uses less digits than its factorization.

27538797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2841.

The product of its digits is 740880, while the sum is 48.

The square root of 27538797 is about 5247.7420858880. The cubic root of 27538797 is about 301.9824156830.

The spelling of 27538797 in words is "twenty-seven million, five hundred thirty-eight thousand, seven hundred ninety-seven".