8506434285 has 24 divisors (see below), whose sum is σ = 14792537760. Its totient is φ = 4521979872.

The previous prime is 8506434283. The next prime is 8506434289. The reversal of 8506434285 is 5824346058.

8506434285 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8506434285 - 2¹ = 8506434283 is a prime.

It is a super-2 number, since 2×8506434285² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 8506434285.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8506434283) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 294055 + ... + 321684.

It is an arithmetic number, because the mean of its divisors is an integer number (616355740).

Almost surely, 2^8506434285 is an apocalyptic number.

It is an amenable number.

8506434285 is a deficient number, since it is larger than the sum of its proper divisors (6286103475).

8506434285 is a wasteful number, since it uses less digits than its factorization.

8506434285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616057 (or 616054 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 45.

The square root of 8506434285 is about 92230.3327815746. The cubic root of 8506434285 is about 2041.3423726899.

The spelling of 8506434285 in words is "eight billion, five hundred six million, four hundred thirty-four thousand, two hundred eighty-five".