9855708480 has 336 divisors, whose sum is σ = 35956768320. Its totient is φ = 2541265920.

The previous prime is 9855708461. The next prime is 9855708487. The reversal of 9855708480 is 848075589.

9855708480 is a `hidden beast` number, since 9 + 8 + 557 + 0 + 8 + 4 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9855708487) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8302447 + ... + 8303633.

Almost surely, 2^9855708480 is an apocalyptic number.

9855708480 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 9855708480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17978384160).

9855708480 is an abundant number, since it is smaller than the sum of its proper divisors (26101059840).

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

9855708480 is a wasteful number, since it uses less digits than its factorization.

9855708480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1275 (or 1228 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 54.

The square root of 9855708480 is about 99275.9209476296. The cubic root of 9855708480 is about 2144.0222253952.

The spelling of 9855708480 in words is "nine billion, eight hundred fifty-five million, seven hundred eight thousand, four hundred eighty".