27871181323193 has 8 divisors (see below), whose sum is σ = 30043407824136. Its totient is φ = 25702996176000.

The previous prime is 27871181323159. The next prime is 27871181323273. The reversal of 27871181323193 is 39132318117872.

It can be written as a sum of positive squares in 4 ways, for example, as 107418751504 + 27763762571689 = 327748^2 + 5269133^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 27871181323193 - 2⁶ = 27871181323129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27871181323123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1010324108 + ... + 1010351693.

It is an arithmetic number, because the mean of its divisors is an integer number (3755425978017).

Almost surely, 2^{27871181323193} is an apocalyptic number.

It is an amenable number.

27871181323193 is a deficient number, since it is larger than the sum of its proper divisors (2172226500943).

27871181323193 is a wasteful number, since it uses less digits than its factorization.

27871181323193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2020676875.

The product of its digits is 3048192, while the sum is 56.

The spelling of 27871181323193 in words is "twenty-seven trillion, eight hundred seventy-one billion, one hundred eighty-one million, three hundred twenty-three thousand, one hundred ninety-three".