8255775528 has 256 divisors, whose sum is σ = 30791577600. Its totient is φ = 1979354880.

The previous prime is 8255775487. The next prime is 8255775551.

8255775528 is a `hidden beast` number, since 82 + 5 + 5 + 7 + 7 + 552 + 8 = 666.

8255775528 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 197125 + ... + 235307.

It is an arithmetic number, because the mean of its divisors is an integer number (120279600).

Almost surely, 2^8255775528 is an apocalyptic number.

8255775528 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8255775528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15395788800).

8255775528 is an abundant number, since it is smaller than the sum of its proper divisors (22535802072).

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

8255775528 is a wasteful number, since it uses less digits than its factorization.

8255775528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38229 (or 38219 counting only the distinct ones).

The product of its digits is 7840000, while the sum is 54.

The square root of 8255775528 is about 90861.2982958091. The cubic root of 8255775528 is about 2021.0914214312.

The spelling of 8255775528 in words is "eight billion, two hundred fifty-five million, seven hundred seventy-five thousand, five hundred twenty-eight".