12807887909 has 8 divisors (see below), whose sum is σ = 12975320448. Its totient is φ = 12641339520.

The previous prime is 12807887881. The next prime is 12807887929. The reversal of 12807887909 is 90978870821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12807887909 - 2²⁰ = 12806839333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12807887929) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 191852 + ... + 249845.

It is an arithmetic number, because the mean of its divisors is an integer number (1621915056).

Almost surely, 2^12807887909 is an apocalyptic number.

It is an amenable number.

12807887909 is a deficient number, since it is larger than the sum of its proper divisors (167432539).

12807887909 is a wasteful number, since it uses less digits than its factorization.

12807887909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442075.

The product of its (nonzero) digits is 4064256, while the sum is 59.

The spelling of 12807887909 in words is "twelve billion, eight hundred seven million, eight hundred eighty-seven thousand, nine hundred nine".