27380728268 has 12 divisors (see below), whose sum is σ = 47917436952. Its totient is φ = 13690032000.

The previous prime is 27380728267. The next prime is 27380728321. The reversal of 27380728268 is 86282708372.

It is not an unprimeable number, because it can be changed into a prime (27380728261) 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, 258971 + ... + 349037.

It is an arithmetic number, because the mean of its divisors is an integer number (3993119746).

Almost surely, 2^27380728268 is an apocalyptic number.

It is an amenable number.

27380728268 is a deficient number, since it is larger than the sum of its proper divisors (20536708684).

27380728268 is a wasteful number, since it uses less digits than its factorization.

27380728268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166072 (or 166070 counting only the distinct ones).

The product of its (nonzero) digits is 3612672, while the sum is 53.

The spelling of 27380728268 in words is "twenty-seven billion, three hundred eighty million, seven hundred twenty-eight thousand, two hundred sixty-eight".