7968647560 has 32 divisors (see below), whose sum is σ = 17957399040. Its totient is φ = 3182491584.

The previous prime is 7968647527. The next prime is 7968647563. The reversal of 7968647560 is 657468697.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 7968647495 and 7968647504.

It is not an unprimeable number, because it can be changed into a prime (7968647563) 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, 129192 + ... + 180631.

It is an arithmetic number, because the mean of its divisors is an integer number (561168720).

Almost surely, 2^7968647560 is an apocalyptic number.

It is an amenable number.

7968647560 is an abundant number, since it is smaller than the sum of its proper divisors (9988751480).

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

7968647560 is a wasteful number, since it uses less digits than its factorization.

7968647560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310477 (or 310473 counting only the distinct ones).

The product of its (nonzero) digits is 15240960, while the sum is 58.

The square root of 7968647560 is about 89267.2815761744. The cubic root of 7968647560 is about 1997.3838761066.

The spelling of 7968647560 in words is "seven billion, nine hundred sixty-eight million, six hundred forty-seven thousand, five hundred sixty".