27131034771 has 24 divisors (see below), whose sum is σ = 40583839296. Its totient is φ = 17453847600.

The previous prime is 27131034731. The next prime is 27131034793. The reversal of 27131034771 is 17743013172.

It is a happy number.

27131034771 is a `hidden beast` number, since 271 + 310 + 3 + 4 + 7 + 71 = 666.

It is not a de Polignac number, because 27131034771 - 2¹¹ = 27131032723 is a prime.

It is a super-2 number, since 2×27131034771² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (27131034731) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 390205 + ... + 454446.

It is an arithmetic number, because the mean of its divisors is an integer number (1690993304).

Almost surely, 2^27131034771 is an apocalyptic number.

27131034771 is a deficient number, since it is larger than the sum of its proper divisors (13452804525).

27131034771 is a wasteful number, since it uses less digits than its factorization.

27131034771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 844783 (or 844780 counting only the distinct ones).

The product of its (nonzero) digits is 24696, while the sum is 36.

The spelling of 27131034771 in words is "twenty-seven billion, one hundred thirty-one million, thirty-four thousand, seven hundred seventy-one".