8581652772 has 96 divisors (see below), whose sum is σ = 24982401024. Its totient is φ = 2227430400.

The previous prime is 8581652767. The next prime is 8581652791. The reversal of 8581652772 is 2772561858.

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, 1920613 + ... + 1925075.

It is an arithmetic number, because the mean of its divisors is an integer number (260233344).

Almost surely, 2^8581652772 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 8581652772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12491200512).

8581652772 is an abundant number, since it is smaller than the sum of its proper divisors (16400748252).

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

8581652772 is a wasteful number, since it uses less digits than its factorization.

8581652772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6569 (or 6567 counting only the distinct ones).

The product of its digits is 1881600, while the sum is 51.

The square root of 8581652772 is about 92637.2105149977. The cubic root of 8581652772 is about 2047.3416084439.

The spelling of 8581652772 in words is "eight billion, five hundred eighty-one million, six hundred fifty-two thousand, seven hundred seventy-two".