9706801840 has 80 divisors (see below), whose sum is σ = 23324150016. Its totient is φ = 3752985600.

The previous prime is 9706801823. The next prime is 9706801843. The reversal of 9706801840 is 481086079.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×9706801840² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9706801843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2708850 + ... + 2712430.

Almost surely, 2^9706801840 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 9706801840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11662075008).

9706801840 is an abundant number, since it is smaller than the sum of its proper divisors (13617348176).

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

9706801840 is a wasteful number, since it uses less digits than its factorization.

9706801840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4718 (or 4712 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 43.

The square root of 9706801840 is about 98523.1030774001. The cubic root of 9706801840 is about 2133.1696100482.

The spelling of 9706801840 in words is "nine billion, seven hundred six million, eight hundred one thousand, eight hundred forty".