7845668452 has 24 divisors (see below), whose sum is σ = 14027255424. Its totient is φ = 3837943392.

The previous prime is 7845668399. The next prime is 7845668513. The reversal of 7845668452 is 2548665487.

It is a junction number, because it is equal to n+sod(n) for n = 7845668393 and 7845668402.

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 7 ways as a sum of consecutive naturals, for example, 645778 + ... + 657814.

It is an arithmetic number, because the mean of its divisors is an integer number (584468976).

Almost surely, 2^7845668452 is an apocalyptic number.

It is an amenable number.

7845668452 is a deficient number, since it is larger than the sum of its proper divisors (6181586972).

7845668452 is a wasteful number, since it uses less digits than its factorization.

7845668452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15555 (or 15553 counting only the distinct ones).

The product of its digits is 12902400, while the sum is 55.

The square root of 7845668452 is about 88575.7780208562. The cubic root of 7845668452 is about 1987.0554375695.

The spelling of 7845668452 in words is "seven billion, eight hundred forty-five million, six hundred sixty-eight thousand, four hundred fifty-two".