12768767746 has 16 divisors (see below), whose sum is σ = 22093891776. Its totient is φ = 5421185136.

The previous prime is 12768767731. The next prime is 12768767749. The reversal of 12768767746 is 64776786721.

It is not an unprimeable number, because it can be changed into a prime (12768767749) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4260441 + ... + 4263436.

It is an arithmetic number, because the mean of its divisors is an integer number (1380868236).

Almost surely, 2^12768767746 is an apocalyptic number.

12768767746 is a deficient number, since it is larger than the sum of its proper divisors (9325124030).

12768767746 is a wasteful number, since it uses less digits than its factorization.

12768767746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8523993.

The product of its digits is 33191424, while the sum is 61.

The spelling of 12768767746 in words is "twelve billion, seven hundred sixty-eight million, seven hundred sixty-seven thousand, seven hundred forty-six".