27788576112 has 120 divisors (see below), whose sum is σ = 85913667840. Its totient is φ = 8314151040.

The previous prime is 27788576093. The next prime is 27788576119. The reversal of 27788576112 is 21167588772.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27788576119) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14103 + ... + 236169.

It is an arithmetic number, because the mean of its divisors is an integer number (715947232).

Almost surely, 2^27788576112 is an apocalyptic number.

27788576112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27788576112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42956833920).

27788576112 is an abundant number, since it is smaller than the sum of its proper divisors (58125091728).

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

27788576112 is a wasteful number, since it uses less digits than its factorization.

27788576112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222171 (or 222162 counting only the distinct ones).

The product of its digits is 2634240, while the sum is 54.

The spelling of 27788576112 in words is "twenty-seven billion, seven hundred eighty-eight million, five hundred seventy-six thousand, one hundred twelve".