13878478200 has 48 divisors (see below), whose sum is σ = 43023284280. Its totient is φ = 3700927360.

The previous prime is 13878478193. The next prime is 13878478219. The reversal of 13878478200 is 287487831.

It is a happy number.

It is a super-2 number, since 2×13878478200² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13878478200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11564799 + ... + 11565998.

Almost surely, 2^13878478200 is an apocalyptic number.

13878478200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13878478200 is an abundant number, since it is smaller than the sum of its proper divisors (29144806080).

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

13878478200 is a wasteful number, since it uses less digits than its factorization.

13878478200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23130816 (or 23130807 counting only the distinct ones).

The product of its (nonzero) digits is 602112, while the sum is 48.

The spelling of 13878478200 in words is "thirteen billion, eight hundred seventy-eight million, four hundred seventy-eight thousand, two hundred".