9926805612 has 72 divisors (see below), whose sum is σ = 24256367296. Its totient is φ = 3159455904.

The previous prime is 9926805611. The next prime is 9926805617. The reversal of 9926805612 is 2165086299.

9926805612 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (9926805611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4994883 + ... + 4996869.

Almost surely, 2^9926805612 is an apocalyptic number.

9926805612 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 9926805612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12128183648).

9926805612 is an abundant number, since it is smaller than the sum of its proper divisors (14329561684).

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

9926805612 is a wasteful number, since it uses less digits than its factorization.

9926805612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2827 (or 2802 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 48.

The square root of 9926805612 is about 99633.3559205952. The cubic root of 9926805612 is about 2149.1653953299.

The spelling of 9926805612 in words is "nine billion, nine hundred twenty-six million, eight hundred five thousand, six hundred twelve".