27765996 has 12 divisors (see below), whose sum is σ = 64787352. Its totient is φ = 9255328.

The previous prime is 27765989. The next prime is 27766009. The reversal of 27765996 is 69956772.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1156905 + ... + 1156928.

It is an arithmetic number, because the mean of its divisors is an integer number (5398946).

Almost surely, 2^27765996 is an apocalyptic number.

It is an amenable number.

27765996 is an abundant number, since it is smaller than the sum of its proper divisors (37021356).

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

27765996 is a wasteful number, since it uses less digits than its factorization.

27765996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2313840 (or 2313838 counting only the distinct ones).

The product of its digits is 1428840, while the sum is 51.

The square root of 27765996 is about 5269.3449308239. The cubic root of 27765996 is about 302.8106082616.

The spelling of 27765996 in words is "twenty-seven million, seven hundred sixty-five thousand, nine hundred ninety-six".