7989536148 has 24 divisors (see below), whose sum is σ = 20337001440. Its totient is φ = 2421071520.

The previous prime is 7989536143. The next prime is 7989536167. The reversal of 7989536148 is 8416359897.

It is a junction number, because it is equal to n+sod(n) for n = 7989536091 and 7989536100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7989536143) 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 7 ways as a sum of consecutive naturals, for example, 30263263 + ... + 30263526.

It is an arithmetic number, because the mean of its divisors is an integer number (847375060).

Almost surely, 2^7989536148 is an apocalyptic number.

It is an amenable number.

7989536148 is an abundant number, since it is smaller than the sum of its proper divisors (12347465292).

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

7989536148 is a wasteful number, since it uses less digits than its factorization.

7989536148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60526807 (or 60526805 counting only the distinct ones).

The product of its digits is 13063680, while the sum is 60.

The square root of 7989536148 is about 89384.2052490260. The cubic root of 7989536148 is about 1999.1276318756.

The spelling of 7989536148 in words is "seven billion, nine hundred eighty-nine million, five hundred thirty-six thousand, one hundred forty-eight".