8338425505 has 4 divisors (see below), whose sum is σ = 10006110612. Its totient is φ = 6670740400.

The previous prime is 8338425503. The next prime is 8338425509. The reversal of 8338425505 is 5055248338.

8338425505 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3101153344 + 5237272161 = 55688^2 + 72369^2 .

It is not a de Polignac number, because 8338425505 - 2¹ = 8338425503 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8338425503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 833842546 + ... + 833842555.

It is an arithmetic number, because the mean of its divisors is an integer number (2501527653).

Almost surely, 2^8338425505 is an apocalyptic number.

It is an amenable number.

8338425505 is a deficient number, since it is larger than the sum of its proper divisors (1667685107).

8338425505 is a wasteful number, since it uses less digits than its factorization.

8338425505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1667685106.

The product of its (nonzero) digits is 576000, while the sum is 43.

The square root of 8338425505 is about 91314.9796309455. The cubic root of 8338425505 is about 2027.8135359952.

The spelling of 8338425505 in words is "eight billion, three hundred thirty-eight million, four hundred twenty-five thousand, five hundred five".