27497925334128 has 80 divisors (see below), whose sum is σ = 77187158912000. Its totient is φ = 8403440670720.

The previous prime is 27497925334123. The next prime is 27497925334163. The reversal of 27497925334128 is 82143352979472.

It is a super-4 number, since 4×27497925334128⁴ (a number of 55 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27497925334123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 486281953 + ... + 486338496.

It is an arithmetic number, because the mean of its divisors is an integer number (964839486400).

Almost surely, 2^{27497925334128} is an apocalyptic number.

It is an amenable number.

27497925334128 is an abundant number, since it is smaller than the sum of its proper divisors (49689233577872).

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

27497925334128 is a wasteful number, since it uses less digits than its factorization.

27497925334128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 972620510 (or 972620504 counting only the distinct ones).

The product of its digits is 182891520, while the sum is 66.

The spelling of 27497925334128 in words is "twenty-seven trillion, four hundred ninety-seven billion, nine hundred twenty-five million, three hundred thirty-four thousand, one hundred twenty-eight".