27388257170712 has 32 divisors (see below), whose sum is σ = 70321200846000. Its totient is φ = 8882678001024.

The previous prime is 27388257170699. The next prime is 27388257170789. The reversal of 27388257170712 is 21707175288372.

It is a super-2 number, since 2×27388257170712² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15421315087 + ... + 15421316862.

Almost surely, 2^{27388257170712} is an apocalyptic number.

It is an amenable number.

27388257170712 is an abundant number, since it is smaller than the sum of its proper divisors (42932943675288).

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

27388257170712 is a wasteful number, since it uses less digits than its factorization.

27388257170712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30842631995 (or 30842631991 counting only the distinct ones).

The product of its (nonzero) digits is 18439680, while the sum is 60.

The spelling of 27388257170712 in words is "twenty-seven trillion, three hundred eighty-eight billion, two hundred fifty-seven million, one hundred seventy thousand, seven hundred twelve".