27999536 has 20 divisors (see below), whose sum is σ = 55512072. Its totient is φ = 13673856.

The previous prime is 27999511. The next prime is 27999539. The reversal of 27999536 is 63599972.

It is not an unprimeable number, because it can be changed into a prime (27999539) 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 3 ways as a sum of consecutive naturals, for example, 19661 + ... + 21036.

Almost surely, 2^27999536 is an apocalyptic number.

It is an amenable number.

27999536 is a deficient number, since it is larger than the sum of its proper divisors (27512536).

27999536 is a wasteful number, since it uses less digits than its factorization.

27999536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40748 (or 40742 counting only the distinct ones).

The product of its digits is 918540, while the sum is 50.

The square root of 27999536 is about 5291.4587780687. The cubic root of 27999536 is about 303.6572198244.

The spelling of 27999536 in words is "twenty-seven million, nine hundred ninety-nine thousand, five hundred thirty-six".