9712064856 has 32 divisors (see below), whose sum is σ = 26147867760. Its totient is φ = 2988327552.

The previous prime is 9712064821. The next prime is 9712064891. The reversal of 9712064856 is 6584602179.

It is an interprime number because it is at equal distance from previous prime (9712064821) and next prime (9712064891).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15563895 + ... + 15564518.

Almost surely, 2^9712064856 is an apocalyptic number.

It is an amenable number.

9712064856 is an abundant number, since it is smaller than the sum of its proper divisors (16435802904).

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

9712064856 is a wasteful number, since it uses less digits than its factorization.

9712064856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31128435 (or 31128431 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 48.

The square root of 9712064856 is about 98549.8090104694. The cubic root of 9712064856 is about 2133.5550743687. Note that the first 3 decimals are identical.

The spelling of 9712064856 in words is "nine billion, seven hundred twelve million, sixty-four thousand, eight hundred fifty-six".