12777465468 has 48 divisors (see below), whose sum is σ = 30060253440. Its totient is φ = 4224054144.

The previous prime is 12777465457. The next prime is 12777465473. The reversal of 12777465468 is 86456477721.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1826305 + ... + 1833287.

It is an arithmetic number, because the mean of its divisors is an integer number (626255280).

Almost surely, 2^12777465468 is an apocalyptic number.

It is an amenable number.

12777465468 is an abundant number, since it is smaller than the sum of its proper divisors (17282787972).

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

12777465468 is a wasteful number, since it uses less digits than its factorization.

12777465468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8226 (or 8224 counting only the distinct ones).

The product of its digits is 15805440, while the sum is 57.

The spelling of 12777465468 in words is "twelve billion, seven hundred seventy-seven million, four hundred sixty-five thousand, four hundred sixty-eight".