27930234907 has 4 divisors (see below), whose sum is σ = 27967131616. Its totient is φ = 27893338200.

The previous prime is 27930234853. The next prime is 27930234911. The reversal of 27930234907 is 70943203972.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27930234907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27930234977) 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 3 ways as a sum of consecutive naturals, for example, 18447219 + ... + 18448732.

It is an arithmetic number, because the mean of its divisors is an integer number (6991782904).

Almost surely, 2^27930234907 is an apocalyptic number.

27930234907 is a deficient number, since it is larger than the sum of its proper divisors (36896709).

27930234907 is an equidigital number, since it uses as much as digits as its factorization.

27930234907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36896708.

The product of its (nonzero) digits is 571536, while the sum is 46.

The spelling of 27930234907 in words is "twenty-seven billion, nine hundred thirty million, two hundred thirty-four thousand, nine hundred seven".