9712064857 has 8 divisors (see below), whose sum is σ = 10598990400. Its totient is φ = 8825807760.

The previous prime is 9712064821. The next prime is 9712064891. The reversal of 9712064857 is 7584602179.

9712064857 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9712064857 - 2⁷ = 9712064729 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9712064857.

It is not an unprimeable number, because it can be changed into a prime (9712067857) 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, 136482 + ... + 195067.

It is an arithmetic number, because the mean of its divisors is an integer number (1324873800).

Almost surely, 2^9712064857 is an apocalyptic number.

It is an amenable number.

9712064857 is a deficient number, since it is larger than the sum of its proper divisors (886925543).

9712064857 is a wasteful number, since it uses less digits than its factorization.

9712064857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334223.

The product of its (nonzero) digits is 846720, while the sum is 49.

The square root of 9712064857 is about 98549.8090155430. The cubic root of 9712064857 is about 2133.5550744420. Note that the first 3 decimals are identical.

The spelling of 9712064857 in words is "nine billion, seven hundred twelve million, sixty-four thousand, eight hundred fifty-seven".