27680808 has 16 divisors (see below), whose sum is σ = 69202080. Its totient is φ = 9226928.

The previous prime is 27680803. The next prime is 27680813. The reversal of 27680808 is 80808672.

It is an interprime number because it is at equal distance from previous prime (27680803) and next prime (27680813).

It is not an unprimeable number, because it can be changed into a prime (27680803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 576660 + ... + 576707.

It is an arithmetic number, because the mean of its divisors is an integer number (4325130).

Almost surely, 2^27680808 is an apocalyptic number.

It is an amenable number.

27680808 is an abundant number, since it is smaller than the sum of its proper divisors (41521272).

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

27680808 is a wasteful number, since it uses less digits than its factorization.

27680808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1153376 (or 1153372 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 39.

The square root of 27680808 is about 5261.2553635040. The cubic root of 27680808 is about 302.5006097021.

The spelling of 27680808 in words is "twenty-seven million, six hundred eighty thousand, eight hundred eight".