27675480749 has 4 divisors (see below), whose sum is σ = 31629120864. Its totient is φ = 23721840636.

The previous prime is 27675480697. The next prime is 27675480751. The reversal of 27675480749 is 94708457672.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 27675480749 - 2⁸ = 27675480493 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27675480449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1976820047 + ... + 1976820060.

It is an arithmetic number, because the mean of its divisors is an integer number (7907280216).

Almost surely, 2^27675480749 is an apocalyptic number.

It is an amenable number.

27675480749 is a deficient number, since it is larger than the sum of its proper divisors (3953640115).

27675480749 is an equidigital number, since it uses as much as digits as its factorization.

27675480749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3953640114.

The product of its (nonzero) digits is 23708160, while the sum is 59.

The spelling of 27675480749 in words is "twenty-seven billion, six hundred seventy-five million, four hundred eighty thousand, seven hundred forty-nine".