9273689856 has 216 divisors, whose sum is σ = 28798202160. Its totient is φ = 2859368448.

The previous prime is 9273689833. The next prime is 9273689863. The reversal of 9273689856 is 6589863729.

It is a junction number, because it is equal to n+sod(n) for n = 9273689793 and 9273689802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2308906 + ... + 2312918.

It is an arithmetic number, because the mean of its divisors is an integer number (133325010).

Almost surely, 2^9273689856 is an apocalyptic number.

9273689856 is a gapful number since it is divisible by the number (96) 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 9273689856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14399101080).

9273689856 is an abundant number, since it is smaller than the sum of its proper divisors (19524512304).

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

9273689856 is a wasteful number, since it uses less digits than its factorization.

9273689856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4111 (or 4094 counting only the distinct ones).

The product of its digits is 39191040, while the sum is 63.

The square root of 9273689856 is about 96299.9992523364. Note that the first 3 decimals coincide. The cubic root of 9273689856 is about 2100.9587350212.

The spelling of 9273689856 in words is "nine billion, two hundred seventy-three million, six hundred eighty-nine thousand, eight hundred fifty-six".