7989909832 has 32 divisors (see below), whose sum is σ = 16551993600. Its totient is φ = 3596479744.

The previous prime is 7989909817. The next prime is 7989909839. The reversal of 7989909832 is 2389099897.

It is not an unprimeable number, because it can be changed into a prime (7989909839) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1274032 + ... + 1280287.

It is an arithmetic number, because the mean of its divisors is an integer number (517249800).

Almost surely, 2^7989909832 is an apocalyptic number.

It is an amenable number.

7989909832 is an abundant number, since it is smaller than the sum of its proper divisors (8562083768).

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

7989909832 is a wasteful number, since it uses less digits than its factorization.

7989909832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2554365 (or 2554361 counting only the distinct ones).

The product of its (nonzero) digits is 17635968, while the sum is 64.

The square root of 7989909832 is about 89386.2955491500. The cubic root of 7989909832 is about 1999.1587989066.

The spelling of 7989909832 in words is "seven billion, nine hundred eighty-nine million, nine hundred nine thousand, eight hundred thirty-two".