12464777907 has 10 divisors (see below), whose sum is σ = 18620223908. Its totient is φ = 8309851884.

The previous prime is 12464777903. The next prime is 12464777909. The reversal of 12464777907 is 70977746421.

It is not a de Polignac number, because 12464777907 - 2² = 12464777903 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12464777903) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 76942993 + ... + 76943154.

Almost surely, 2^12464777907 is an apocalyptic number.

12464777907 is a deficient number, since it is larger than the sum of its proper divisors (6155446001).

12464777907 is an equidigital number, since it uses as much as digits as its factorization.

12464777907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153886159 (or 153886150 counting only the distinct ones).

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

The spelling of 12464777907 in words is "twelve billion, four hundred sixty-four million, seven hundred seventy-seven thousand, nine hundred seven".