7989439232 has 36 divisors (see below), whose sum is σ = 16139853240. Its totient is φ = 3946579968.

The previous prime is 7989439217. The next prime is 7989439247. The reversal of 7989439232 is 2329349897.

It is an interprime number because it is at equal distance from previous prime (7989439217) and next prime (7989439247).

It is a super-2 number, since 2×7989439232² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166757 + ... + 209252.

Almost surely, 2^7989439232 is an apocalyptic number.

It is an amenable number.

7989439232 is an abundant number, since it is smaller than the sum of its proper divisors (8150414008).

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

7989439232 is an equidigital number, since it uses as much as digits as its factorization.

7989439232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376108 (or 376094 counting only the distinct ones).

The product of its digits is 5878656, while the sum is 56.

The square root of 7989439232 is about 89383.6631158066. The cubic root of 7989439232 is about 1999.1195484594.

The spelling of 7989439232 in words is "seven billion, nine hundred eighty-nine million, four hundred thirty-nine thousand, two hundred thirty-two".