9553808880 has 480 divisors, whose sum is σ = 40195284480. Its totient is φ = 1975633920.

The previous prime is 9553808857. The next prime is 9553808897. The reversal of 9553808880 is 888083559.

9553808880 is a `hidden beast` number, since 9 + 553 + 8 + 0 + 8 + 8 + 80 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 21565939 + ... + 21566381.

It is an arithmetic number, because the mean of its divisors is an integer number (83740176).

Almost surely, 2^9553808880 is an apocalyptic number.

9553808880 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 9553808880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20097642240).

9553808880 is an abundant number, since it is smaller than the sum of its proper divisors (30641475600).

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

9553808880 is a wasteful number, since it uses less digits than its factorization.

9553808880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 869 (or 860 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 54.

The square root of 9553808880 is about 97743.5874111443. The cubic root of 9553808880 is about 2121.9029490167.

The spelling of 9553808880 in words is "nine billion, five hundred fifty-three million, eight hundred eight thousand, eight hundred eighty".