27730703808 has 70 divisors (see below), whose sum is σ = 82202508696. Its totient is φ = 9243566208.

The previous prime is 27730703783. The next prime is 27730703893. The reversal of 27730703808 is 80830703772.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2669460 + ... + 2679827.

Almost surely, 2^27730703808 is an apocalyptic number.

It is an amenable number.

27730703808 is an abundant number, since it is smaller than the sum of its proper divisors (54471804888).

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

27730703808 is an equidigital number, since it uses as much as digits as its factorization.

27730703808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5349311 (or 5349292 counting only the distinct ones).

The product of its (nonzero) digits is 395136, while the sum is 45.

The spelling of 27730703808 in words is "twenty-seven billion, seven hundred thirty million, seven hundred three thousand, eight hundred eight".