8671368968 has 32 divisors (see below), whose sum is σ = 16561697400. Its totient is φ = 4255629312.

The previous prime is 8671368961. The next prime is 8671368973. The reversal of 8671368968 is 8698631768.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 5035037764 + 3636331204 = 70958^2 + 60302^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 8671368968.

It is not an unprimeable number, because it can be changed into a prime (8671368961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53096 + ... + 141992.

Almost surely, 2^8671368968 is an apocalyptic number.

It is an amenable number.

8671368968 is a deficient number, since it is larger than the sum of its proper divisors (7890328432).

8671368968 is a wasteful number, since it uses less digits than its factorization.

8671368968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89129 (or 89125 counting only the distinct ones).

The product of its digits is 20901888, while the sum is 62.

The square root of 8671368968 is about 93120.1856097807. The cubic root of 8671368968 is about 2054.4514783648.

The spelling of 8671368968 in words is "eight billion, six hundred seventy-one million, three hundred sixty-eight thousand, nine hundred sixty-eight".