8421068799 has 64 divisors (see below), whose sum is σ = 14714219520. Its totient is φ = 4692608640.

The previous prime is 8421068797. The next prime is 8421068809. The reversal of 8421068799 is 9978601248.

8421068799 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8421068799 - 2¹ = 8421068797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8421068797) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1011297 + ... + 1019589.

It is an arithmetic number, because the mean of its divisors is an integer number (229909680).

Almost surely, 2^8421068799 is an apocalyptic number.

8421068799 is a deficient number, since it is larger than the sum of its proper divisors (6293150721).

8421068799 is a wasteful number, since it uses less digits than its factorization.

8421068799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8589 (or 8583 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 54.

The square root of 8421068799 is about 91766.3816383756. The cubic root of 8421068799 is about 2034.4908383741.

The spelling of 8421068799 in words is "eight billion, four hundred twenty-one million, sixty-eight thousand, seven hundred ninety-nine".