12776880347 has 16 divisors (see below), whose sum is σ = 16027360512. Its totient is φ = 9894921120.

The previous prime is 12776880323. The next prime is 12776880359. The reversal of 12776880347 is 74308867721.

It is not a de Polignac number, because 12776880347 - 2⁶ = 12776880283 is a prime.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12776880947) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 496448 + ... + 521549.

It is an arithmetic number, because the mean of its divisors is an integer number (1001710032).

Almost surely, 2^12776880347 is an apocalyptic number.

12776880347 is a deficient number, since it is larger than the sum of its proper divisors (3250480165).

12776880347 is a wasteful number, since it uses less digits than its factorization.

12776880347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1018178.

The product of its (nonzero) digits is 3161088, while the sum is 53.

The spelling of 12776880347 in words is "twelve billion, seven hundred seventy-six million, eight hundred eighty thousand, three hundred forty-seven".