8506474845 has 48 divisors (see below), whose sum is σ = 15013916736. Its totient is φ = 4109529600.

The previous prime is 8506474831. The next prime is 8506474853. The reversal of 8506474845 is 5484746058.

It is a de Polignac number, because none of the positive numbers 2^k-8506474845 is a prime.

It is a super-2 number, since 2×8506474845² (a number of 21 digits) contains 22 as substring.

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 47 ways as a sum of consecutive naturals, for example, 505365 + ... + 521925.

It is an arithmetic number, because the mean of its divisors is an integer number (312789932).

Almost surely, 2^8506474845 is an apocalyptic number.

It is an amenable number.

8506474845 is a deficient number, since it is larger than the sum of its proper divisors (6507441891).

8506474845 is a wasteful number, since it uses less digits than its factorization.

8506474845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16874 (or 16863 counting only the distinct ones).

The product of its (nonzero) digits is 4300800, while the sum is 51.

The square root of 8506474845 is about 92230.5526655891. The cubic root of 8506474845 is about 2041.3456171639.

The spelling of 8506474845 in words is "eight billion, five hundred six million, four hundred seventy-four thousand, eight hundred forty-five".