27770682500556 has 24 divisors (see below), whose sum is σ = 64799730117360. Its totient is φ = 9256684031232.

The previous prime is 27770682500549. The next prime is 27770682500597. The reversal of 27770682500556 is 65500528607772.

It is a self number, because there is not a number n which added to its sum of digits gives 27770682500556.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25715841 + ... + 26773976.

It is an arithmetic number, because the mean of its divisors is an integer number (2699988754890).

Almost surely, 2^{27770682500556} is an apocalyptic number.

It is an amenable number.

27770682500556 is an abundant number, since it is smaller than the sum of its proper divisors (37029047616804).

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

27770682500556 is a wasteful number, since it uses less digits than its factorization.

27770682500556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52533913 (or 52533911 counting only the distinct ones).

The product of its (nonzero) digits is 49392000, while the sum is 60.

The spelling of 27770682500556 in words is "twenty-seven trillion, seven hundred seventy billion, six hundred eighty-two million, five hundred thousand, five hundred fifty-six".