27127204992 has 128 divisors (see below), whose sum is σ = 80127936000. Its totient is φ = 9035062272.

The previous prime is 27127204961. The next prime is 27127205029. The reversal of 27127204992 is 29940272172.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5765713 + ... + 5770415.

It is an arithmetic number, because the mean of its divisors is an integer number (625999500).

Almost surely, 2^27127204992 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 27127204992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40063968000).

27127204992 is an abundant number, since it is smaller than the sum of its proper divisors (53000731008).

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

27127204992 is a wasteful number, since it uses less digits than its factorization.

27127204992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6395 (or 6377 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The spelling of 27127204992 in words is "twenty-seven billion, one hundred twenty-seven million, two hundred four thousand, nine hundred ninety-two".