27672143861328 has 40 divisors (see below), whose sum is σ = 71486589595200. Its totient is φ = 9224019830784.

The previous prime is 27672143861317. The next prime is 27672143861347. The reversal of 27672143861328 is 82316834127672.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20280688 + ... + 21602096.

It is an arithmetic number, because the mean of its divisors is an integer number (1787164739880).

Almost surely, 2^{27672143861328} is an apocalyptic number.

It is an amenable number.

27672143861328 is an abundant number, since it is smaller than the sum of its proper divisors (43814445733872).

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

27672143861328 is a wasteful number, since it uses less digits than its factorization.

27672143861328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1757699 (or 1757693 counting only the distinct ones).

The product of its digits is 32514048, while the sum is 60.

The spelling of 27672143861328 in words is "twenty-seven trillion, six hundred seventy-two billion, one hundred forty-three million, eight hundred sixty-one thousand, three hundred twenty-eight".