8238475565 has 16 divisors (see below), whose sum is σ = 10216267776. Its totient is φ = 6373752000.

The previous prime is 8238475541. The next prime is 8238475571. The reversal of 8238475565 is 5655748328.

It is not a de Polignac number, because 8238475565 - 2¹⁶ = 8238410029 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 167981 + ... + 211410.

It is an arithmetic number, because the mean of its divisors is an integer number (638516736).

Almost surely, 2^8238475565 is an apocalyptic number.

It is an amenable number.

8238475565 is a deficient number, since it is larger than the sum of its proper divisors (1977792211).

8238475565 is a wasteful number, since it uses less digits than its factorization.

8238475565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379540.

The product of its digits is 8064000, while the sum is 53.

The square root of 8238475565 is about 90766.0485258668. The cubic root of 8238475565 is about 2019.6787030233.

The spelling of 8238475565 in words is "eight billion, two hundred thirty-eight million, four hundred seventy-five thousand, five hundred sixty-five".