8194450678 has 16 divisors (see below), whose sum is σ = 12479316480. Its totient is φ = 4034719656.

The previous prime is 8194450669. The next prime is 8194450679. The reversal of 8194450678 is 8760544918.

8194450678 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8194450679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 477043 + ... + 493921.

It is an arithmetic number, because the mean of its divisors is an integer number (779957280).

Almost surely, 2^8194450678 is an apocalyptic number.

8194450678 is a deficient number, since it is larger than the sum of its proper divisors (4284865802).

8194450678 is a wasteful number, since it uses less digits than its factorization.

8194450678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20571.

The product of its (nonzero) digits is 1935360, while the sum is 52.

The square root of 8194450678 is about 90523.2051907134. The cubic root of 8194450678 is about 2016.0746793730.

The spelling of 8194450678 in words is "eight billion, one hundred ninety-four million, four hundred fifty thousand, six hundred seventy-eight".