8999631360 has 960 divisors, whose sum is σ = 36677152512. Its totient is φ = 2102132736.

The previous prime is 8999631313. The next prime is 8999631427. The reversal of 8999631360 is 631369998.

It is a tau number, because it is divible by the number of its divisors (960).

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

It is a junction number, because it is equal to n+sod(n) for n = 8999631297 and 8999631306.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 243233262 + ... + 243233298.

Almost surely, 2^8999631360 is an apocalyptic number.

8999631360 is a gapful number since it is divisible by the number (80) 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 8999631360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18338576256).

8999631360 is an abundant number, since it is smaller than the sum of its proper divisors (27677521152).

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

8999631360 is a wasteful number, since it uses less digits than its factorization.

8999631360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115 (or 87 counting only the distinct ones).

The product of its (nonzero) digits is 1889568, while the sum is 54.

The square root of 8999631360 is about 94866.3868817612. The cubic root of 8999631360 is about 2080.0554225863.

The spelling of 8999631360 in words is "eight billion, nine hundred ninety-nine million, six hundred thirty-one thousand, three hundred sixty".