12757983878 has 8 divisors (see below), whose sum is σ = 19181173368. Its totient is φ = 6364259424.

The previous prime is 12757983841. The next prime is 12757983913. The reversal of 12757983878 is 87838975721.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7365176 + ... + 7366907.

It is an arithmetic number, because the mean of its divisors is an integer number (2397646671).

Almost surely, 2^12757983878 is an apocalyptic number.

12757983878 is a deficient number, since it is larger than the sum of its proper divisors (6423189490).

12757983878 is a wasteful number, since it uses less digits than its factorization.

12757983878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14732518.

The product of its digits is 47416320, while the sum is 65.

The spelling of 12757983878 in words is "twelve billion, seven hundred fifty-seven million, nine hundred eighty-three thousand, eight hundred seventy-eight".