9615884572 has 96 divisors (see below), whose sum is σ = 20693120000. Its totient is φ = 3818327040.

The previous prime is 9615884567. The next prime is 9615884581. The reversal of 9615884572 is 2754885169.

It is a happy number.

It is a super-2 number, since 2×9615884572² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6457204 + ... + 6458692.

Almost surely, 2^9615884572 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 9615884572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10346560000).

9615884572 is an abundant number, since it is smaller than the sum of its proper divisors (11077235428).

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

9615884572 is a wasteful number, since it uses less digits than its factorization.

9615884572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1779 (or 1777 counting only the distinct ones).

The product of its digits is 4838400, while the sum is 55.

The square root of 9615884572 is about 98060.6168244928. The cubic root of 9615884572 is about 2126.4887060768.

The spelling of 9615884572 in words is "nine billion, six hundred fifteen million, eight hundred eighty-four thousand, five hundred seventy-two".