27313230487 has 4 divisors (see below), whose sum is σ = 27386456680. Its totient is φ = 27240004296.

The previous prime is 27313230467. The next prime is 27313230491. The reversal of 27313230487 is 78403231372.

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-27313230487 is a prime.

It is a super-3 number, since 3×27313230487³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27313230407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36612537 + ... + 36613282.

It is an arithmetic number, because the mean of its divisors is an integer number (6846614170).

Almost surely, 2^27313230487 is an apocalyptic number.

27313230487 is a deficient number, since it is larger than the sum of its proper divisors (73226193).

27313230487 is an equidigital number, since it uses as much as digits as its factorization.

27313230487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73226192.

The product of its (nonzero) digits is 169344, while the sum is 40.

The spelling of 27313230487 in words is "twenty-seven billion, three hundred thirteen million, two hundred thirty thousand, four hundred eighty-seven".