9870118272 has 640 divisors, whose sum is σ = 35829319680. Its totient is φ = 2637619200.

The previous prime is 9870118259. The next prime is 9870118277. The reversal of 9870118272 is 2728110789.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9870118277) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 92244043 + ... + 92244149.

It is an arithmetic number, because the mean of its divisors is an integer number (55983312).

Almost surely, 2^9870118272 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 9870118272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17914659840).

9870118272 is an abundant number, since it is smaller than the sum of its proper divisors (25959201408).

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

9870118272 is a wasteful number, since it uses less digits than its factorization.

9870118272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212 (or 191 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 45.

The square root of 9870118272 is about 99348.4688961033. The cubic root of 9870118272 is about 2145.0666241715.

The spelling of 9870118272 in words is "nine billion, eight hundred seventy million, one hundred eighteen thousand, two hundred seventy-two".