7994083220 has 24 divisors (see below), whose sum is σ = 16799382600. Its totient is φ = 3195384192.

The previous prime is 7994083171. The next prime is 7994083289. The reversal of 7994083220 is 223804997.

It can be written as a sum of positive squares in 4 ways, for example, as 660901264 + 7333181956 = 25708^2 + 85634^2 .

It is a congruent number.

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, 111275 + ... + 168434.

It is an arithmetic number, because the mean of its divisors is an integer number (699974275).

Almost surely, 2^7994083220 is an apocalyptic number.

It is an amenable number.

7994083220 is an abundant number, since it is smaller than the sum of its proper divisors (8805299380).

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

7994083220 is a wasteful number, since it uses less digits than its factorization.

7994083220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281147 (or 281145 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 7994083220 is about 89409.6371763134. The cubic root of 7994083220 is about 1999.5068133935.

The spelling of 7994083220 in words is "seven billion, nine hundred ninety-four million, eighty-three thousand, two hundred twenty".