7989964932 has 12 divisors (see below), whose sum is σ = 18643251536. Its totient is φ = 2663321640.

The previous prime is 7989964909. The next prime is 7989964933. The reversal of 7989964932 is 2394699897.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×7989964932² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7989964933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 332915194 + ... + 332915217.

Almost surely, 2^7989964932 is an apocalyptic number.

It is an amenable number.

7989964932 is an abundant number, since it is smaller than the sum of its proper divisors (10653286604).

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

7989964932 is a wasteful number, since it uses less digits than its factorization.

7989964932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665830418 (or 665830416 counting only the distinct ones).

The product of its digits is 52907904, while the sum is 66.

The square root of 7989964932 is about 89386.6037614138. The cubic root of 7989964932 is about 1999.1633944277.

The spelling of 7989964932 in words is "seven billion, nine hundred eighty-nine million, nine hundred sixty-four thousand, nine hundred thirty-two".