12776095888 has 10 divisors (see below), whose sum is σ = 24753685814. Its totient is φ = 6388047936.

The previous prime is 12776095883. The next prime is 12776095903. The reversal of 12776095888 is 88859067721.

It can be written as a sum of positive squares in only one way, i.e., 6637686784 + 6138409104 = 81472^2 + 78348^2 .

It is a super-2 number, since 2×12776095888² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12776095883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 399252981 + ... + 399253012.

Almost surely, 2^12776095888 is an apocalyptic number.

It is an amenable number.

12776095888 is a deficient number, since it is larger than the sum of its proper divisors (11977589926).

12776095888 is an equidigital number, since it uses as much as digits as its factorization.

12776095888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798506001 (or 798505995 counting only the distinct ones).

The product of its (nonzero) digits is 13547520, while the sum is 61.

The spelling of 12776095888 in words is "twelve billion, seven hundred seventy-six million, ninety-five thousand, eight hundred eighty-eight".