27130431747 has 16 divisors (see below), whose sum is σ = 38278338048. Its totient is φ = 17056892160.

The previous prime is 27130431719. The next prime is 27130431803. The reversal of 27130431747 is 74713403172.

It is a happy number.

It is not a de Polignac number, because 27130431747 - 2¹² = 27130427651 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27130431047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2764078 + ... + 2773875.

It is an arithmetic number, because the mean of its divisors is an integer number (2392396128).

Almost surely, 2^27130431747 is an apocalyptic number.

27130431747 is a deficient number, since it is larger than the sum of its proper divisors (11147906301).

27130431747 is a wasteful number, since it uses less digits than its factorization.

27130431747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5538050.

The product of its (nonzero) digits is 98784, while the sum is 39.

The spelling of 27130431747 in words is "twenty-seven billion, one hundred thirty million, four hundred thirty-one thousand, seven hundred forty-seven".