9895273280 has 168 divisors, whose sum is σ = 24753429792. Its totient is φ = 3767056384.

The previous prime is 9895273259. The next prime is 9895273291. The reversal of 9895273280 is 823725989.

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, 22336739 + ... + 22337181.

It is an arithmetic number, because the mean of its divisors is an integer number (147341844).

Almost surely, 2^9895273280 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 9895273280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12376714896).

9895273280 is an abundant number, since it is smaller than the sum of its proper divisors (14858156512).

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

9895273280 is a wasteful number, since it uses less digits than its factorization.

9895273280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601 (or 562 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 53.

The square root of 9895273280 is about 99474.9882131182. The cubic root of 9895273280 is about 2146.8873856269.

The spelling of 9895273280 in words is "nine billion, eight hundred ninety-five million, two hundred seventy-three thousand, two hundred eighty".