8389340039668 has 24 divisors (see below), whose sum is σ = 17187916181184. Its totient is φ = 3507737995200.

The previous prime is 8389340039653. The next prime is 8389340039669. The reversal of 8389340039668 is 8669300439838.

It is a happy number.

It is a hoax number, since the sum of its digits (67) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8389340039669) 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, 3653892598 + ... + 3653894893.

It is an arithmetic number, because the mean of its divisors is an integer number (716163174216).

Almost surely, 2^{8389340039668} is an apocalyptic number.

It is an amenable number.

8389340039668 is an abundant number, since it is smaller than the sum of its proper divisors (8798576141516).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8389340039668 is a wasteful number, since it uses less digits than its factorization.

8389340039668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7307787543 (or 7307787541 counting only the distinct ones).

The product of its (nonzero) digits is 161243136, while the sum is 67.

The spelling of 8389340039668 in words is "eight trillion, three hundred eighty-nine billion, three hundred forty million, thirty-nine thousand, six hundred sixty-eight".