8255665528 has 64 divisors (see below), whose sum is σ = 18821030400. Its totient is φ = 3345937920.

The previous prime is 8255665507. The next prime is 8255665591.

8255665528 is nontrivially palindromic in base 10.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116800 + ... + 173647.

It is an arithmetic number, because the mean of its divisors is an integer number (294078600).

Almost surely, 2^8255665528 is an apocalyptic number.

8255665528 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

8255665528 is an abundant number, since it is smaller than the sum of its proper divisors (10565364872).

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

8255665528 is a wasteful number, since it uses less digits than its factorization.

8255665528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290500 (or 290496 counting only the distinct ones).

The product of its digits is 5760000, while the sum is 52.

The square root of 8255665528 is about 90860.6929755656. The cubic root of 8255665528 is about 2021.0824450468.

The spelling of 8255665528 in words is "eight billion, two hundred fifty-five million, six hundred sixty-five thousand, five hundred twenty-eight".