12477039665 has 16 divisors (see below), whose sum is σ = 15062906880. Its totient is φ = 9921410880.

The previous prime is 12477039647. The next prime is 12477039667. The reversal of 12477039665 is 56693077421.

It is not a de Polignac number, because 12477039665 - 2⁸ = 12477039409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12477039667) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1377371 + ... + 1386399.

It is an arithmetic number, because the mean of its divisors is an integer number (941431680).

Almost surely, 2^12477039665 is an apocalyptic number.

It is an amenable number.

12477039665 is a deficient number, since it is larger than the sum of its proper divisors (2585867215).

12477039665 is a wasteful number, since it uses less digits than its factorization.

12477039665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10672.

The product of its (nonzero) digits is 1905120, while the sum is 50.

The spelling of 12477039665 in words is "twelve billion, four hundred seventy-seven million, thirty-nine thousand, six hundred sixty-five".