9871001448 has 512 divisors, whose sum is σ = 35831808000. Its totient is φ = 2183639040.

The previous prime is 9871001443. The next prime is 9871001489. The reversal of 9871001448 is 8441001789.

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

It is not an unprimeable number, because it can be changed into a prime (9871001443) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 13728433 + ... + 13729151.

It is an arithmetic number, because the mean of its divisors is an integer number (69984000).

Almost surely, 2^9871001448 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 9871001448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17915904000).

9871001448 is an abundant number, since it is smaller than the sum of its proper divisors (25960806552).

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

9871001448 is a wasteful number, since it uses less digits than its factorization.

9871001448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 805 (or 801 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 42.

The square root of 9871001448 is about 99352.9136361888. The cubic root of 9871001448 is about 2145.1306022923.

The spelling of 9871001448 in words is "nine billion, eight hundred seventy-one million, one thousand, four hundred forty-eight".