8255815152 has 160 divisors (see below), whose sum is σ = 23616613440. Its totient is φ = 2469519360.

The previous prime is 8255815129. The next prime is 8255815159. The reversal of 8255815152 is 2515185528.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8255815159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3386478 + ... + 3388914.

It is an arithmetic number, because the mean of its divisors is an integer number (147603834).

Almost surely, 2^8255815152 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 8255815152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11808306720).

8255815152 is an abundant number, since it is smaller than the sum of its proper divisors (15360798288).

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

8255815152 is a wasteful number, since it uses less digits than its factorization.

8255815152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2611 (or 2605 counting only the distinct ones).

The product of its digits is 160000, while the sum is 42.

The square root of 8255815152 is about 90861.5163421787. The cubic root of 8255815152 is about 2021.0946548685.

The spelling of 8255815152 in words is "eight billion, two hundred fifty-five million, eight hundred fifteen thousand, one hundred fifty-two".