8486434863 has 12 divisors (see below), whose sum is σ = 12459138328. Its totient is φ = 5564874960.

The previous prime is 8486434841. The next prime is 8486434871. The reversal of 8486434863 is 3684346848.

8486434863 is a `hidden beast` number, since 84 + 86 + 4 + 3 + 486 + 3 = 666.

It is not a de Polignac number, because 8486434863 - 2¹⁶ = 8486369327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8486434823) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7728445 + ... + 7729542.

Almost surely, 2^8486434863 is an apocalyptic number.

8486434863 is a deficient number, since it is larger than the sum of its proper divisors (3972703465).

8486434863 is a wasteful number, since it uses less digits than its factorization.

8486434863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15458054 (or 15458051 counting only the distinct ones).

The product of its digits is 10616832, while the sum is 54.

The square root of 8486434863 is about 92121.8479135107. The cubic root of 8486434863 is about 2039.7413217273.

The spelling of 8486434863 in words is "eight billion, four hundred eighty-six million, four hundred thirty-four thousand, eight hundred sixty-three".