27156408084 has 192 divisors, whose sum is σ = 82388992000. Its totient is φ = 7660448640.

The previous prime is 27156408067. The next prime is 27156408089. The reversal of 27156408084 is 48080465172.

27156408084 is a `hidden beast` number, since 2 + 7 + 1 + 564 + 0 + 8 + 0 + 84 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27156408089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 810537 + ... + 843375.

Almost surely, 2^27156408084 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 27156408084, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41194496000).

27156408084 is an abundant number, since it is smaller than the sum of its proper divisors (55232583916).

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

27156408084 is a wasteful number, since it uses less digits than its factorization.

27156408084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32915 (or 32907 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 45.

The spelling of 27156408084 in words is "twenty-seven billion, one hundred fifty-six million, four hundred eight thousand, eighty-four".