27682720556 has 24 divisors (see below), whose sum is σ = 49000392000. Its totient is φ = 13682680704.

The previous prime is 27682720553. The next prime is 27682720619. The reversal of 27682720556 is 65502728672.

It is not an unprimeable number, because it can be changed into a prime (27682720553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2596685 + ... + 2607323.

It is an arithmetic number, because the mean of its divisors is an integer number (2041683000).

Almost surely, 2^27682720556 is an apocalyptic number.

It is an amenable number.

27682720556 is a deficient number, since it is larger than the sum of its proper divisors (21317671444).

27682720556 is a wasteful number, since it uses less digits than its factorization.

27682720556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18041 (or 18039 counting only the distinct ones).

The product of its (nonzero) digits is 2822400, while the sum is 50.

The spelling of 27682720556 in words is "twenty-seven billion, six hundred eighty-two million, seven hundred twenty thousand, five hundred fifty-six".