9862201728 has 96 divisors (see below), whose sum is σ = 28445617200. Its totient is φ = 3279744000.

The previous prime is 9862201711. The next prime is 9862201729. The reversal of 9862201728 is 8271022689.

9862201728 is a `hidden beast` number, since 9 + 8 + 622 + 0 + 17 + 2 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9862201729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 495978 + ... + 515478.

Almost surely, 2^9862201728 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 9862201728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14222808600).

9862201728 is an abundant number, since it is smaller than the sum of its proper divisors (18583415472).

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

9862201728 is a wasteful number, since it uses less digits than its factorization.

9862201728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19960 (or 19945 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The square root of 9862201728 is about 99308.6185987903. The cubic root of 9862201728 is about 2144.4929715904.

The spelling of 9862201728 in words is "nine billion, eight hundred sixty-two million, two hundred one thousand, seven hundred twenty-eight".