13878146858 has 16 divisors (see below), whose sum is σ = 21915348000. Its totient is φ = 6573113712.

The previous prime is 13878146857. The next prime is 13878146879. The reversal of 13878146858 is 85864187831.

It is a junction number, because it is equal to n+sod(n) for n = 13878146797 and 13878146806.

It is not an unprimeable number, because it can be changed into a prime (13878146851) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 469748 + ... + 498416.

It is an arithmetic number, because the mean of its divisors is an integer number (1369709250).

Almost surely, 2^13878146858 is an apocalyptic number.

13878146858 is a deficient number, since it is larger than the sum of its proper divisors (8037201142).

13878146858 is a wasteful number, since it uses less digits than its factorization.

13878146858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41429.

The product of its digits is 10321920, while the sum is 59.

The spelling of 13878146858 in words is "thirteen billion, eight hundred seventy-eight million, one hundred forty-six thousand, eight hundred fifty-eight".