27688836084 has 192 divisors, whose sum is σ = 82248499200. Its totient is φ = 7055672832.

The previous prime is 27688836073. The next prime is 27688836181. The reversal of 27688836084 is 48063888672.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4051182 + ... + 4058010.

It is an arithmetic number, because the mean of its divisors is an integer number (428377600).

Almost surely, 2^27688836084 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27688836084, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41124249600).

27688836084 is an abundant number, since it is smaller than the sum of its proper divisors (54559663116).

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

27688836084 is a wasteful number, since it uses less digits than its factorization.

27688836084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6982 (or 6980 counting only the distinct ones).

The product of its (nonzero) digits is 24772608, while the sum is 60.

The spelling of 27688836084 in words is "twenty-seven billion, six hundred eighty-eight million, eight hundred thirty-six thousand, eighty-four".