27071447131 has 4 divisors (see below), whose sum is σ = 27073747912. Its totient is φ = 27069146352.

The previous prime is 27071447129. The next prime is 27071447141. The reversal of 27071447131 is 13174417072.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 27071447131 - 2¹ = 27071447129 is a prime.

It is a super-2 number, since 2×27071447131² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27071447111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1132650 + ... + 1156303.

It is an arithmetic number, because the mean of its divisors is an integer number (6768436978).

Almost surely, 2^27071447131 is an apocalyptic number.

27071447131 is a deficient number, since it is larger than the sum of its proper divisors (2300781).

27071447131 is a wasteful number, since it uses less digits than its factorization.

27071447131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2300780.

The product of its (nonzero) digits is 32928, while the sum is 37.

The spelling of 27071447131 in words is "twenty-seven billion, seventy-one million, four hundred forty-seven thousand, one hundred thirty-one".