9726820000 has 60 divisors (see below), whose sum is σ = 23929485426. Its totient is φ = 3890720000.

The previous prime is 9726819959. The next prime is 9726820001. The reversal of 9726820000 is 286279.

It can be written as a sum of positive squares in 5 ways, for example, as 486996624 + 9239823376 = 22068^2 + 96124^2 .

It is a super-2 number, since 2×9726820000² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9726820001) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 223171 + ... + 263170.

Almost surely, 2^9726820000 is an apocalyptic number.

It is an amenable number.

9726820000 is an abundant number, since it is smaller than the sum of its proper divisors (14202665426).

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

9726820000 is an equidigital number, since it uses as much as digits as its factorization.

9726820000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486371 (or 486348 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 9726820000 is about 98624.6419511878. The cubic root of 9726820000 is about 2134.6350020569.

The spelling of 9726820000 in words is "nine billion, seven hundred twenty-six million, eight hundred twenty thousand".