8638834388368 has 40 divisors (see below), whose sum is σ = 16745432117600. Its totient is φ = 4317433021440.

The previous prime is 8638834388363. The next prime is 8638834388399.

8638834388368 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 8638834388294 and 8638834388303.

It is not an unprimeable number, because it can be changed into a prime (8638834388363) 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, 543075871 + ... + 543091777.

It is an arithmetic number, because the mean of its divisors is an integer number (418635802940).

Almost surely, 2^{8638834388368} is an apocalyptic number.

It is an amenable number.

8638834388368 is a deficient number, since it is larger than the sum of its proper divisors (8106597729232).

8638834388368 is a wasteful number, since it uses less digits than its factorization.

8638834388368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29375 (or 29369 counting only the distinct ones).

The product of its digits is 3057647616, while the sum is 76.

The spelling of 8638834388368 in words is "eight trillion, six hundred thirty-eight billion, eight hundred thirty-four million, three hundred eighty-eight thousand, three hundred sixty-eight".