13243686878 has 8 divisors (see below), whose sum is σ = 19869543120. Its totient is φ = 6620505840.

The previous prime is 13243686857. The next prime is 13243686893. The reversal of 13243686878 is 87868634231.

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, 656378 + ... + 676253.

It is an arithmetic number, because the mean of its divisors is an integer number (2483692890).

Almost surely, 2^13243686878 is an apocalyptic number.

13243686878 is a deficient number, since it is larger than the sum of its proper divisors (6625856242).

13243686878 is a wasteful number, since it uses less digits than its factorization.

13243686878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1337602.

The product of its digits is 9289728, while the sum is 56.

The spelling of 13243686878 in words is "thirteen billion, two hundred forty-three million, six hundred eighty-six thousand, eight hundred seventy-eight".