9712782685 has 8 divisors (see below), whose sum is σ = 11659758336. Its totient is φ = 7767280080.

The previous prime is 9712782671. The next prime is 9712782713. The reversal of 9712782685 is 5862872179.

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

It is a de Polignac number, because none of the positive numbers 2^k-9712782685 is a prime.

It is a Duffinian number.

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, 353701 + ... + 380170.

It is an arithmetic number, because the mean of its divisors is an integer number (1457469792).

Almost surely, 2^9712782685 is an apocalyptic number.

It is an amenable number.

9712782685 is a deficient number, since it is larger than the sum of its proper divisors (1946975651).

9712782685 is a wasteful number, since it uses less digits than its factorization.

9712782685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 736523.

The product of its digits is 3386880, while the sum is 55.

The square root of 9712782685 is about 98553.4509035579. The cubic root of 9712782685 is about 2133.6076375122.

The spelling of 9712782685 in words is "nine billion, seven hundred twelve million, seven hundred eighty-two thousand, six hundred eighty-five".