27589716131 has 2 divisors, whose sum is σ = 27589716132. Its totient is φ = 27589716130.

The previous prime is 27589716101. The next prime is 27589716149. The reversal of 27589716131 is 13161798572.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27589716131 is a prime.

It is a super-2 number, since 2×27589716131² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 27589716131.

It is not a weakly prime, because it can be changed into another prime (27589716101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13794858065 + 13794858066.

It is an arithmetic number, because the mean of its divisors is an integer number (13794858066).

Almost surely, 2^27589716131 is an apocalyptic number.

27589716131 is a deficient number, since it is larger than the sum of its proper divisors (1).

27589716131 is an equidigital number, since it uses as much as digits as its factorization.

27589716131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 635040, while the sum is 50.

The spelling of 27589716131 in words is "twenty-seven billion, five hundred eighty-nine million, seven hundred sixteen thousand, one hundred thirty-one".