13858778798 has 8 divisors (see below), whose sum is σ = 21230469792. Its totient is φ = 6781955536.

The previous prime is 13858778797. The next prime is 13858778833. The reversal of 13858778798 is 89787785831.

13858778798 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13858778797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73716815 + ... + 73717002.

It is an arithmetic number, because the mean of its divisors is an integer number (2653808724).

Almost surely, 2^13858778798 is an apocalyptic number.

13858778798 is a deficient number, since it is larger than the sum of its proper divisors (7371690994).

13858778798 is a wasteful number, since it uses less digits than its factorization.

13858778798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147433866.

The product of its digits is 189665280, while the sum is 71.

The spelling of 13858778798 in words is "thirteen billion, eight hundred fifty-eight million, seven hundred seventy-eight thousand, seven hundred ninety-eight".