8838638855385 has 16 divisors (see below), whose sum is σ = 14145863928000. Its totient is φ = 4712593469760.

The previous prime is 8838638855359. The next prime is 8838638855419. The reversal of 8838638855385 is 5835588368388.

It is not a de Polignac number, because 8838638855385 - 2⁵ = 8838638855353 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8838638855385.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84149086 + ... + 84254055.

It is an arithmetic number, because the mean of its divisors is an integer number (884116495500).

Almost surely, 2^{8838638855385} is an apocalyptic number.

It is an amenable number.

8838638855385 is a deficient number, since it is larger than the sum of its proper divisors (5307225072615).

8838638855385 is a wasteful number, since it uses less digits than its factorization.

8838638855385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168406648.

The product of its digits is 5308416000, while the sum is 78.

The spelling of 8838638855385 in words is "eight trillion, eight hundred thirty-eight billion, six hundred thirty-eight million, eight hundred fifty-five thousand, three hundred eighty-five".