9761991792 has 160 divisors (see below), whose sum is σ = 30104025600. Its totient is φ = 2667561984.

The previous prime is 9761991773. The next prime is 9761991871. The reversal of 9761991792 is 2971991679.

It is a happy number.

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, 726834 + ... + 740142.

It is an arithmetic number, because the mean of its divisors is an integer number (188150160).

Almost surely, 2^9761991792 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 9761991792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15052012800).

9761991792 is an abundant number, since it is smaller than the sum of its proper divisors (20342033808).

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

9761991792 is a wasteful number, since it uses less digits than its factorization.

9761991792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13423 (or 13417 counting only the distinct ones).

The product of its digits is 3857868, while the sum is 60.

The square root of 9761991792 is about 98802.7924301738. The cubic root of 9761991792 is about 2137.2048253392.

The spelling of 9761991792 in words is "nine billion, seven hundred sixty-one million, nine hundred ninety-one thousand, seven hundred ninety-two".