7845668450 has 24 divisors (see below), whose sum is σ = 14674484880. Its totient is φ = 3120731600.

The previous prime is 7845668399. The next prime is 7845668513. The reversal of 7845668450 is 548665487.

It is a happy number.

7845668450 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 7845668392 and 7845668401.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 429356 + ... + 447255.

It is an arithmetic number, because the mean of its divisors is an integer number (611436870).

Almost surely, 2^7845668450 is an apocalyptic number.

7845668450 is a deficient number, since it is larger than the sum of its proper divisors (6828816430).

7845668450 is a wasteful number, since it uses less digits than its factorization.

7845668450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876802 (or 876797 counting only the distinct ones).

The product of its (nonzero) digits is 6451200, while the sum is 53.

The square root of 7845668450 is about 88575.7780095665. The cubic root of 7845668450 is about 1987.0554374006.

The spelling of 7845668450 in words is "seven billion, eight hundred forty-five million, six hundred sixty-eight thousand, four hundred fifty".