12777166674 has 24 divisors (see below), whose sum is σ = 28073777472. Its totient is φ = 4199068440.

The previous prime is 12777166669. The next prime is 12777166681. The reversal of 12777166674 is 47666177721.

It is a happy number.

12777166674 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 12777166674.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 4997614 + ... + 5000169.

It is an arithmetic number, because the mean of its divisors is an integer number (1169740728).

Almost surely, 2^12777166674 is an apocalyptic number.

12777166674 is an abundant number, since it is smaller than the sum of its proper divisors (15296610798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12777166674 is a wasteful number, since it uses less digits than its factorization.

12777166674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9997862 (or 9997859 counting only the distinct ones).

The product of its digits is 4148928, while the sum is 54.

The spelling of 12777166674 in words is "twelve billion, seven hundred seventy-seven million, one hundred sixty-six thousand, six hundred seventy-four".