27730205108 has 12 divisors (see below), whose sum is σ = 49560366912. Its totient is φ = 13570100280.

The previous prime is 27730205089. The next prime is 27730205123. The reversal of 27730205108 is 80150203772.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73750358 + ... + 73750733.

It is an arithmetic number, because the mean of its divisors is an integer number (4130030576).

Almost surely, 2^27730205108 is an apocalyptic number.

It is an amenable number.

27730205108 is a deficient number, since it is larger than the sum of its proper divisors (21830161804).

27730205108 is a wasteful number, since it uses less digits than its factorization.

27730205108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147501142 (or 147501140 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 35.

The spelling of 27730205108 in words is "twenty-seven billion, seven hundred thirty million, two hundred five thousand, one hundred eight".