27769956 has 24 divisors (see below), whose sum is σ = 66378144. Its totient is φ = 9030720.

The previous prime is 27769949. The next prime is 27769961. The reversal of 27769956 is 65996772.

It is a junction number, because it is equal to n+sod(n) for n = 27769899 and 27769908.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27730 + ... + 28713.

It is an arithmetic number, because the mean of its divisors is an integer number (2765756).

Almost surely, 2^27769956 is an apocalyptic number.

It is an amenable number.

27769956 is an abundant number, since it is smaller than the sum of its proper divisors (38608188).

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

27769956 is a wasteful number, since it uses less digits than its factorization.

27769956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56491 (or 56489 counting only the distinct ones).

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

The square root of 27769956 is about 5269.7206757095. The cubic root of 27769956 is about 302.8250032432.

The spelling of 27769956 in words is "twenty-seven million, seven hundred sixty-nine thousand, nine hundred fifty-six".