8516886478 has 4 divisors (see below), whose sum is σ = 12775329720. Its totient is φ = 4258443238.

The previous prime is 8516886467. The next prime is 8516886479. The reversal of 8516886478 is 8746886158.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8516886479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2129221618 + ... + 2129221621.

It is an arithmetic number, because the mean of its divisors is an integer number (3193832430).

Almost surely, 2^8516886478 is an apocalyptic number.

8516886478 is a deficient number, since it is larger than the sum of its proper divisors (4258443242).

8516886478 is a wasteful number, since it uses less digits than its factorization.

8516886478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4258443241.

The product of its digits is 20643840, while the sum is 61.

The square root of 8516886478 is about 92286.9789190219. The cubic root of 8516886478 is about 2042.1781232407.

The spelling of 8516886478 in words is "eight billion, five hundred sixteen million, eight hundred eighty-six thousand, four hundred seventy-eight".