9794715840 has 1008 divisors, whose sum is σ = 44584132320. Its totient is φ = 1950842880.

The previous prime is 9794715779. The next prime is 9794715841. The reversal of 9794715840 is 485174979.

9794715840 is a `hidden beast` number, since 97 + 9 + 471 + 5 + 84 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1008).

It is not an unprimeable number, because it can be changed into a prime (9794715841) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 34856500 + ... + 34856780.

It is an arithmetic number, because the mean of its divisors is an integer number (44230290).

Almost surely, 2^9794715840 is an apocalyptic number.

9794715840 is a gapful number since it is divisible by the number (90) 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 9794715840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22292066160).

9794715840 is an abundant number, since it is smaller than the sum of its proper divisors (34789416480).

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

9794715840 is a wasteful number, since it uses less digits than its factorization.

9794715840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350 (or 330 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 54.

The square root of 9794715840 is about 98968.2567291149. The cubic root of 9794715840 is about 2139.5902671465.

The spelling of 9794715840 in words is "nine billion, seven hundred ninety-four million, seven hundred fifteen thousand, eight hundred forty".