9872205504 has 112 divisors (see below), whose sum is σ = 29900441088. Its totient is φ = 2816022528.

The previous prime is 9872205493. The next prime is 9872205557. The reversal of 9872205504 is 4055022789.

It is a tau number, because it is divible by the number of its divisors (112).

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 863892 + ... + 875244.

It is an arithmetic number, because the mean of its divisors is an integer number (266968224).

Almost surely, 2^9872205504 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 9872205504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14950220544).

9872205504 is an abundant number, since it is smaller than the sum of its proper divisors (20028235584).

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

9872205504 is a wasteful number, since it uses less digits than its factorization.

9872205504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12022 (or 12012 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 42.

The square root of 9872205504 is about 99358.9729415517. The cubic root of 9872205504 is about 2145.2178191222.

The spelling of 9872205504 in words is "nine billion, eight hundred seventy-two million, two hundred five thousand, five hundred four".