9870572544 has 264 divisors, whose sum is σ = 31945776768. Its totient is φ = 2696601600.

The previous prime is 9870572519. The next prime is 9870572549. The reversal of 9870572544 is 4452750789.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9870572549) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 3460719 + ... + 3463569.

Almost surely, 2^9870572544 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 9870572544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15972888384).

9870572544 is an abundant number, since it is smaller than the sum of its proper divisors (22075204224).

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

9870572544 is a wasteful number, since it uses less digits than its factorization.

9870572544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2911 (or 2886 counting only the distinct ones).

The product of its (nonzero) digits is 2822400, while the sum is 51.

The square root of 9870572544 is about 99350.7551254644. The cubic root of 9870572544 is about 2145.0995325498.

The spelling of 9870572544 in words is "nine billion, eight hundred seventy million, five hundred seventy-two thousand, five hundred forty-four".