8272345552 has 40 divisors (see below), whose sum is σ = 16938603360. Its totient is φ = 3902832000.

The previous prime is 8272345541. The next prime is 8272345553. The reversal of 8272345552 is 2555432728.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 8272345499 and 8272345508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8272345553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22098 + ... + 130510.

It is an arithmetic number, because the mean of its divisors is an integer number (423465084).

Almost surely, 2^8272345552 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 8272345552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8469301680).

8272345552 is an abundant number, since it is smaller than the sum of its proper divisors (8666257808).

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

8272345552 is a wasteful number, since it uses less digits than its factorization.

8272345552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108691 (or 108685 counting only the distinct ones).

The product of its digits is 672000, while the sum is 43.

The square root of 8272345552 is about 90952.4356573259. The cubic root of 8272345552 is about 2022.4426836587.

The spelling of 8272345552 in words is "eight billion, two hundred seventy-two million, three hundred forty-five thousand, five hundred fifty-two".