9781093712 has 160 divisors (see below), whose sum is σ = 22234576896. Its totient is φ = 4131072000.

The previous prime is 9781093709. The next prime is 9781093747. The reversal of 9781093712 is 2173901879.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14978378 + ... + 14979030.

Almost surely, 2^9781093712 is an apocalyptic number.

9781093712 is a gapful number since it is divisible by the number (92) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9781093712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11117288448).

9781093712 is an abundant number, since it is smaller than the sum of its proper divisors (12453483184).

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

9781093712 is a wasteful number, since it uses less digits than its factorization.

9781093712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829 (or 823 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 47.

The square root of 9781093712 is about 98899.4120912759. The cubic root of 9781093712 is about 2138.5979193326.

The spelling of 9781093712 in words is "nine billion, seven hundred eighty-one million, ninety-three thousand, seven hundred twelve".