9720828854 has 48 divisors (see below), whose sum is σ = 16931310336. Its totient is φ = 4150339200.

The previous prime is 9720828851. The next prime is 9720828863. The reversal of 9720828854 is 4588280279.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 9720828796 and 9720828805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9720828851) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4010687 + ... + 4013109.

It is an arithmetic number, because the mean of its divisors is an integer number (352735632).

Almost surely, 2^9720828854 is an apocalyptic number.

9720828854 is a deficient number, since it is larger than the sum of its proper divisors (7210481482).

9720828854 is a wasteful number, since it uses less digits than its factorization.

9720828854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3101 (or 3084 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 53.

The square root of 9720828854 is about 98594.2637986612. The cubic root of 9720828854 is about 2134.1966423946.

The spelling of 9720828854 in words is "nine billion, seven hundred twenty million, eight hundred twenty-eight thousand, eight hundred fifty-four".