7989655904832 has 112 divisors (see below), whose sum is σ = 24349428039680. Its totient is φ = 2264784302592.

The previous prime is 7989655904773. The next prime is 7989655904837. The reversal of 7989655904832 is 2384095569897.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Smith number, since the sum of its digits (75) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (7989655904837) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23233582 + ... + 23574957.

Almost surely, 2^{7989655904832} is an apocalyptic number.

It is an amenable number.

7989655904832 is an abundant number, since it is smaller than the sum of its proper divisors (16359772134848).

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

7989655904832 is a wasteful number, since it uses less digits than its factorization.

7989655904832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46808688 (or 46808678 counting only the distinct ones).

The product of its (nonzero) digits is 1175731200, while the sum is 75.

The spelling of 7989655904832 in words is "seven trillion, nine hundred eighty-nine billion, six hundred fifty-five million, nine hundred four thousand, eight hundred thirty-two".