8885721600 has 480 divisors, whose sum is σ = 37284339840. Its totient is φ = 2030469120.

The previous prime is 8885721599. The next prime is 8885721617. The reversal of 8885721600 is 61275888.

It is a tau number, because it is divible by the number of its divisors (480).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2417364 + ... + 2421036.

It is an arithmetic number, because the mean of its divisors is an integer number (77675708).

Almost surely, 2^8885721600 is an apocalyptic number.

8885721600 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 8885721600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18642169920).

8885721600 is an abundant number, since it is smaller than the sum of its proper divisors (28398618240).

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

8885721600 is a wasteful number, since it uses less digits than its factorization.

8885721600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3717 (or 3690 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 45.

The square root of 8885721600 is about 94264.1055757705. The cubic root of 8885721600 is about 2071.2422704993.

The spelling of 8885721600 in words is "eight billion, eight hundred eighty-five million, seven hundred twenty-one thousand, six hundred".