13879670868 has 96 divisors (see below), whose sum is σ = 41799269120. Its totient is φ = 3900597120.

The previous prime is 13879670863. The next prime is 13879670891. The reversal of 13879670868 is 86807697831.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13879670863) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 104371 + ... + 196602.

Almost surely, 2^13879670868 is an apocalyptic number.

13879670868 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

13879670868 is an abundant number, since it is smaller than the sum of its proper divisors (27919598252).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13879670868 is a wasteful number, since it uses less digits than its factorization.

13879670868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301054 (or 301046 counting only the distinct ones).

The product of its (nonzero) digits is 24385536, while the sum is 63.

The spelling of 13879670868 in words is "thirteen billion, eight hundred seventy-nine million, six hundred seventy thousand, eight hundred sixty-eight".