12780883907 has 16 divisors (see below), whose sum is σ = 14232348000. Its totient is φ = 11379321600.

The previous prime is 12780883901. The next prime is 12780883981. The reversal of 12780883907 is 70938808721.

It is a cyclic number.

It is not a de Polignac number, because 12780883907 - 2¹⁴ = 12780867523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12780883901) 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, 115469 + ... + 197217.

It is an arithmetic number, because the mean of its divisors is an integer number (889521750).

Almost surely, 2^12780883907 is an apocalyptic number.

12780883907 is a deficient number, since it is larger than the sum of its proper divisors (1451464093).

12780883907 is a wasteful number, since it uses less digits than its factorization.

12780883907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82054.

The product of its (nonzero) digits is 1354752, while the sum is 53.

The spelling of 12780883907 in words is "twelve billion, seven hundred eighty million, eight hundred eighty-three thousand, nine hundred seven".