13878138622 has 8 divisors (see below), whose sum is σ = 20925069696. Its totient is φ = 6903115392.

The previous prime is 13878138569. The next prime is 13878138643. The reversal of 13878138622 is 22683187831.

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

It is a super-2 number, since 2×13878138622² (a number of 21 digits) contains 22 as substring.

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, 17976478 + ... + 17977249.

It is an arithmetic number, because the mean of its divisors is an integer number (2615633712).

Almost surely, 2^13878138622 is an apocalyptic number.

13878138622 is a deficient number, since it is larger than the sum of its proper divisors (7046931074).

13878138622 is a wasteful number, since it uses less digits than its factorization.

13878138622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35953922.

The product of its digits is 774144, while the sum is 49.

The spelling of 13878138622 in words is "thirteen billion, eight hundred seventy-eight million, one hundred thirty-eight thousand, six hundred twenty-two".