12477744266 has 16 divisors (see below), whose sum is σ = 20647976328. Its totient is φ = 5618496000.

The previous prime is 12477744233. The next prime is 12477744271. The reversal of 12477744266 is 66244777421.

It can be written as a sum of positive squares in 4 ways, for example, as 5824895041 + 6652849225 = 76321^2 + 81565^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5851535 + ... + 5853666.

Almost surely, 2^12477744266 is an apocalyptic number.

12477744266 is a deficient number, since it is larger than the sum of its proper divisors (8170232062).

12477744266 is a wasteful number, since it uses less digits than its factorization.

12477744266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11705257.

The product of its digits is 3161088, while the sum is 50.

The spelling of 12477744266 in words is "twelve billion, four hundred seventy-seven million, seven hundred forty-four thousand, two hundred sixty-six".