7988568396 has 48 divisors (see below), whose sum is σ = 19974294144. Its totient is φ = 2476016896.

The previous prime is 7988568391. The next prime is 7988568407. The reversal of 7988568396 is 6938658897.

It is a self number, because there is not a number n which added to its sum of digits gives 7988568396.

It is not an unprimeable number, because it can be changed into a prime (7988568391) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 218970 + ... + 252833.

It is an arithmetic number, because the mean of its divisors is an integer number (416131128).

Almost surely, 2^7988568396 is an apocalyptic number.

It is an amenable number.

7988568396 is an abundant number, since it is smaller than the sum of its proper divisors (11985725748).

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

7988568396 is a wasteful number, since it uses less digits than its factorization.

7988568396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471910 (or 471908 counting only the distinct ones).

The product of its digits is 156764160, while the sum is 69.

The square root of 7988568396 is about 89378.7916454457. The cubic root of 7988568396 is about 1999.0469122173.

The spelling of 7988568396 in words is "seven billion, nine hundred eighty-eight million, five hundred sixty-eight thousand, three hundred ninety-six".