8368684868638 has 8 divisors (see below), whose sum is σ = 12554540287632. Its totient is φ = 4183838106096.

The previous prime is 8368684868629. The next prime is 8368684868639.

8368684868638 is nontrivially palindromic in base 10.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8368684868639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252143370 + ... + 252176557.

It is an arithmetic number, because the mean of its divisors is an integer number (1569317535954).

Almost surely, 2^{8368684868638} is an apocalyptic number.

8368684868638 is a deficient number, since it is larger than the sum of its proper divisors (4185855418994).

8368684868638 is a wasteful number, since it uses less digits than its factorization.

8368684868638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504328226.

The product of its digits is 12230590464, while the sum is 82.

The spelling of 8368684868638 in words is "eight trillion, three hundred sixty-eight billion, six hundred eighty-four million, eight hundred sixty-eight thousand, six hundred thirty-eight".