8971312712 has 8 divisors (see below), whose sum is σ = 16821211350. Its totient is φ = 4485656352.

The previous prime is 8971312687. The next prime is 8971312723. The reversal of 8971312712 is 2172131798.

It is a happy number.

8971312712 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 7457013316 + 1514299396 = 86354^2 + 38914^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 8971312712.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560707037 + ... + 560707052.

Almost surely, 2^8971312712 is an apocalyptic number.

It is an amenable number.

8971312712 is a deficient number, since it is larger than the sum of its proper divisors (7849898638).

8971312712 is a wasteful number, since it uses less digits than its factorization.

8971312712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1121414095 (or 1121414091 counting only the distinct ones).

The product of its digits is 42336, while the sum is 41.

The square root of 8971312712 is about 94717.0138465102. The cubic root of 8971312712 is about 2077.8713979704.

The spelling of 8971312712 in words is "eight billion, nine hundred seventy-one million, three hundred twelve thousand, seven hundred twelve".