27496875247 has 4 divisors (see below), whose sum is σ = 27962924040. Its totient is φ = 27030826456.

The previous prime is 27496875229. The next prime is 27496875269. The reversal of 27496875247 is 74257869472.

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

It is a cyclic number.

It is not a de Polignac number, because 27496875247 - 2²⁷ = 27362657519 is a prime.

It is a super-2 number, since 2×27496875247² (a number of 22 digits) contains 22 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 (27496875547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233024308 + ... + 233024425.

It is an arithmetic number, because the mean of its divisors is an integer number (6990731010).

Almost surely, 2^27496875247 is an apocalyptic number.

27496875247 is a deficient number, since it is larger than the sum of its proper divisors (466048793).

27496875247 is an equidigital number, since it uses as much as digits as its factorization.

27496875247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466048792.

The product of its digits is 47416320, while the sum is 61.

The spelling of 27496875247 in words is "twenty-seven billion, four hundred ninety-six million, eight hundred seventy-five thousand, two hundred forty-seven".