8248688505 has 12 divisors (see below), whose sum is σ = 14297726820. Its totient is φ = 4399300512.

The previous prime is 8248688491. The next prime is 8248688531. The reversal of 8248688505 is 5058868428.

It is a happy number.

8248688505 is a `hidden beast` number, since 82 + 486 + 8 + 85 + 0 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 5961075264 + 2287613241 = 77208^2 + 47829^2 .

It is not a de Polignac number, because 8248688505 - 2⁴ = 8248688489 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 91652050 + ... + 91652139.

It is an arithmetic number, because the mean of its divisors is an integer number (1191477235).

Almost surely, 2^8248688505 is an apocalyptic number.

It is an amenable number.

8248688505 is a deficient number, since it is larger than the sum of its proper divisors (6049038315).

8248688505 is a wasteful number, since it uses less digits than its factorization.

8248688505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183304200 (or 183304197 counting only the distinct ones).

The product of its (nonzero) digits is 4915200, while the sum is 54.

The square root of 8248688505 is about 90822.2907936152. The cubic root of 8248688505 is about 2020.5129325948.

The spelling of 8248688505 in words is "eight billion, two hundred forty-eight million, six hundred eighty-eight thousand, five hundred five".