27676866 has 48 divisors (see below), whose sum is σ = 67207104. Its totient is φ = 7562016.

The previous prime is 27676861. The next prime is 27676903. The reversal of 27676866 is 66867672.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (27676861) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4716 + ... + 8808.

It is an arithmetic number, because the mean of its divisors is an integer number (1400148).

Almost surely, 2^27676866 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27676866, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33603552).

27676866 is an abundant number, since it is smaller than the sum of its proper divisors (39530238).

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

27676866 is a wasteful number, since it uses less digits than its factorization.

27676866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4135 (or 4128 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 48.

The square root of 27676866 is about 5260.8807247456. The cubic root of 27676866 is about 302.4862494034.

The spelling of 27676866 in words is "twenty-seven million, six hundred seventy-six thousand, eight hundred sixty-six".