7989375984 has 20 divisors (see below), whose sum is σ = 20639221416. Its totient is φ = 2663125312.

The previous prime is 7989375959. The next prime is 7989375991. The reversal of 7989375984 is 4895739897.

It is a super-2 number, since 2×7989375984² (a number of 21 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 83222619 + ... + 83222714.

Almost surely, 2^7989375984 is an apocalyptic number.

It is an amenable number.

7989375984 is an abundant number, since it is smaller than the sum of its proper divisors (12649845432).

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

7989375984 is a wasteful number, since it uses less digits than its factorization.

7989375984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166445344 (or 166445338 counting only the distinct ones).

The product of its digits is 137168640, while the sum is 69.

The square root of 7989375984 is about 89383.3093144352. The cubic root of 7989375984 is about 1999.1142731352.

The spelling of 7989375984 in words is "seven billion, nine hundred eighty-nine million, three hundred seventy-five thousand, nine hundred eighty-four".