9677785712 has 80 divisors (see below), whose sum is σ = 22520796672. Its totient is φ = 3941602560.

The previous prime is 9677785709. The next prime is 9677785723. The reversal of 9677785712 is 2175877769.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 151037 + ... + 205347.

Almost surely, 2^9677785712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9677785712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11260398336).

9677785712 is an abundant number, since it is smaller than the sum of its proper divisors (12843010960).

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

9677785712 is a wasteful number, since it uses less digits than its factorization.

9677785712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54406 (or 54400 counting only the distinct ones).

The product of its digits is 10372320, while the sum is 59.

The square root of 9677785712 is about 98375.7374152794. The cubic root of 9677785712 is about 2131.0419576804.

The spelling of 9677785712 in words is "nine billion, six hundred seventy-seven million, seven hundred eighty-five thousand, seven hundred twelve".