27708966 has 20 divisors (see below), whose sum is σ = 62088972. Its totient is φ = 9236268.

The previous prime is 27708931. The next prime is 27708977. The reversal of 27708966 is 66980772.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 9 ways as a sum of consecutive naturals, for example, 85360 + ... + 85683.

Almost surely, 2^27708966 is an apocalyptic number.

27708966 is an abundant number, since it is smaller than the sum of its proper divisors (34380006).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27708966 is a wasteful number, since it uses less digits than its factorization.

27708966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171057 (or 171048 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The square root of 27708966 is about 5263.9306606375. The cubic root of 27708966 is about 302.6031467569.

The spelling of 27708966 in words is "twenty-seven million, seven hundred eight thousand, nine hundred sixty-six".