7689559680 has 768 divisors, whose sum is σ = 31448476800. Its totient is φ = 1724743680.

The previous prime is 7689559639. The next prime is 7689559747. The reversal of 7689559680 is 869559867.

7689559680 is a `hidden beast` number, since 76 + 8 + 9 + 559 + 6 + 8 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 130331491 + ... + 130331549.

Almost surely, 2^7689559680 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7689559680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15724238400).

7689559680 is an abundant number, since it is smaller than the sum of its proper divisors (23758917120).

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

7689559680 is a wasteful number, since it uses less digits than its factorization.

7689559680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134 (or 97 counting only the distinct ones).

The product of its (nonzero) digits is 32659200, while the sum is 63.

The square root of 7689559680 is about 87690.1344508035. The cubic root of 7689559680 is about 1973.7879380354.

The spelling of 7689559680 in words is "seven billion, six hundred eighty-nine million, five hundred fifty-nine thousand, six hundred eighty".