8385786163 has 4 divisors (see below), whose sum is σ = 8879067720. Its totient is φ = 7892504608.

The previous prime is 8385786151. The next prime is 8385786179. The reversal of 8385786163 is 3616875838.

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

It is a cyclic number.

It is not a de Polignac number, because 8385786163 - 2¹³ = 8385777971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8385786863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 246640753 + ... + 246640786.

It is an arithmetic number, because the mean of its divisors is an integer number (2219766930).

Almost surely, 2^8385786163 is an apocalyptic number.

8385786163 is a deficient number, since it is larger than the sum of its proper divisors (493281557).

8385786163 is a wasteful number, since it uses less digits than its factorization.

8385786163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493281556.

The product of its digits is 5806080, while the sum is 55.

The square root of 8385786163 is about 91573.9382302629. The cubic root of 8385786163 is about 2031.6454875619.

The spelling of 8385786163 in words is "eight billion, three hundred eighty-five million, seven hundred eighty-six thousand, one hundred sixty-three".