7893820224 has 56 divisors (see below), whose sum is σ = 23206374720. Its totient is φ = 2631272832.

The previous prime is 7893820223. The next prime is 7893820243. The reversal of 7893820224 is 4220283987.

It is a self number, because there is not a number n which added to its sum of digits gives 7893820224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7893820223) 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, 2282364 + ... + 2285819.

Almost surely, 2^7893820224 is an apocalyptic number.

It is an amenable number.

7893820224 is an abundant number, since it is smaller than the sum of its proper divisors (15312554496).

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

7893820224 is a wasteful number, since it uses less digits than its factorization.

7893820224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4568204 (or 4568188 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The square root of 7893820224 is about 88847.1734159281. The cubic root of 7893820224 is about 1991.1122477687.

The spelling of 7893820224 in words is "seven billion, eight hundred ninety-three million, eight hundred twenty thousand, two hundred twenty-four".