7996799520 has 288 divisors, whose sum is σ = 28630143360. Its totient is φ = 2107607040.

The previous prime is 7996799467. The next prime is 7996799521. The reversal of 7996799520 is 259976997.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (288).

It is not an unprimeable number, because it can be changed into a prime (7996799521) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3459165 + ... + 3461475.

It is an arithmetic number, because the mean of its divisors is an integer number (99410220).

Almost surely, 2^7996799520 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7996799520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14315071680).

7996799520 is an abundant number, since it is smaller than the sum of its proper divisors (20633343840).

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

7996799520 is a wasteful number, since it uses less digits than its factorization.

7996799520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2430 (or 2410 counting only the distinct ones).

The product of its (nonzero) digits is 19289340, while the sum is 63.

The square root of 7996799520 is about 89424.8260831409. The cubic root of 7996799520 is about 1999.7332577592.

The spelling of 7996799520 in words is "seven billion, nine hundred ninety-six million, seven hundred ninety-nine thousand, five hundred twenty".