8523805845 has 16 divisors (see below), whose sum is σ = 13658800320. Its totient is φ = 4539126144.

The previous prime is 8523805793. The next prime is 8523805853. The reversal of 8523805845 is 5485083258.

It is not a de Polignac number, because 8523805845 - 2¹⁷ = 8523674773 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8523805794 and 8523805803.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 421264 + ... + 441033.

It is an arithmetic number, because the mean of its divisors is an integer number (853675020).

Almost surely, 2^8523805845 is an apocalyptic number.

It is an amenable number.

8523805845 is a deficient number, since it is larger than the sum of its proper divisors (5134994475).

8523805845 is a wasteful number, since it uses less digits than its factorization.

8523805845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 862964.

The product of its (nonzero) digits is 1536000, while the sum is 48.

The square root of 8523805845 is about 92324.4596247387. The cubic root of 8523805845 is about 2042.7310152307.

The spelling of 8523805845 in words is "eight billion, five hundred twenty-three million, eight hundred five thousand, eight hundred forty-five".