12776235047 has 8 divisors (see below), whose sum is σ = 12854038272. Its totient is φ = 12698595000.

The previous prime is 12776235023. The next prime is 12776235079. The reversal of 12776235047 is 74053267721.

12776235047 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12776235047 - 2³⁰ = 11702493223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12776234989 and 12776235007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12776235007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118148 + ... + 198774.

It is an arithmetic number, because the mean of its divisors is an integer number (1606754784).

Almost surely, 2^12776235047 is an apocalyptic number.

12776235047 is a deficient number, since it is larger than the sum of its proper divisors (77803225).

12776235047 is an equidigital number, since it uses as much as digits as its factorization.

12776235047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81589.

The product of its (nonzero) digits is 493920, while the sum is 44.

The spelling of 12776235047 in words is "twelve billion, seven hundred seventy-six million, two hundred thirty-five thousand, forty-seven".