9554999880 has 128 divisors (see below), whose sum is σ = 29480400000. Its totient is φ = 2475712512.

The previous prime is 9554999869. The next prime is 9554999887. The reversal of 9554999880 is 889994559.

It is not an unprimeable number, because it can be changed into a prime (9554999887) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5544699 + ... + 5546421.

It is an arithmetic number, because the mean of its divisors is an integer number (230315625).

Almost surely, 2^9554999880 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 9554999880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14740200000).

9554999880 is an abundant number, since it is smaller than the sum of its proper divisors (19925400120).

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

9554999880 is a wasteful number, since it uses less digits than its factorization.

9554999880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3023 (or 3019 counting only the distinct ones).

The product of its (nonzero) digits is 41990400, while the sum is 66.

The square root of 9554999880 is about 97749.6796925698. The cubic root of 9554999880 is about 2121.9911191359.

The spelling of 9554999880 in words is "nine billion, five hundred fifty-four million, nine hundred ninety-nine thousand, eight hundred eighty".