12638876375 has 8 divisors (see below), whose sum is σ = 15773317872. Its totient is φ = 10111101000.

The previous prime is 12638876333. The next prime is 12638876387. The reversal of 12638876375 is 57367883621.

It is not a de Polignac number, because 12638876375 - 2¹⁰ = 12638875351 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12638876375.

It is a congruent number.

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, 50555381 + ... + 50555630.

It is an arithmetic number, because the mean of its divisors is an integer number (1971664734).

Almost surely, 2^12638876375 is an apocalyptic number.

12638876375 is a deficient number, since it is larger than the sum of its proper divisors (3134441497).

12638876375 is an equidigital number, since it uses as much as digits as its factorization.

12638876375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101111026 (or 101111016 counting only the distinct ones).

The product of its digits is 10160640, while the sum is 56.

The spelling of 12638876375 in words is "twelve billion, six hundred thirty-eight million, eight hundred seventy-six thousand, three hundred seventy-five".