8686146863 has 4 divisors (see below), whose sum is σ = 8706300768. Its totient is φ = 8665992960.

The previous prime is 8686146851. The next prime is 8686146893. The reversal of 8686146863 is 3686416868.

It is a happy number.

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 8686146863 - 2¹⁸ = 8685884719 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8686146799 and 8686146808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8686146803) 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, 10076306 + ... + 10077167.

It is an arithmetic number, because the mean of its divisors is an integer number (2176575192).

Almost surely, 2^8686146863 is an apocalyptic number.

8686146863 is a deficient number, since it is larger than the sum of its proper divisors (20153905).

8686146863 is a wasteful number, since it uses less digits than its factorization.

8686146863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20153904.

The product of its digits is 7962624, while the sum is 56.

The square root of 8686146863 is about 93199.5003366434. The cubic root of 8686146863 is about 2055.6178930993.

The spelling of 8686146863 in words is "eight billion, six hundred eighty-six million, one hundred forty-six thousand, eight hundred sixty-three".