8550213986 has 4 divisors (see below), whose sum is σ = 12825320982. Its totient is φ = 4275106992.

The previous prime is 8550213967. The next prime is 8550213989. The reversal of 8550213986 is 6893120558.

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

It can be written as a sum of positive squares in only one way, i.e., 4728625225 + 3821588761 = 68765^2 + 61819^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 8550213986.

It is not an unprimeable number, because it can be changed into a prime (8550213989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2137553495 + ... + 2137553498.

Almost surely, 2^8550213986 is an apocalyptic number.

8550213986 is a deficient number, since it is larger than the sum of its proper divisors (4275106996).

8550213986 is a wasteful number, since it uses less digits than its factorization.

8550213986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4275106995.

The product of its (nonzero) digits is 518400, while the sum is 47.

The square root of 8550213986 is about 92467.3671410623. The cubic root of 8550213986 is about 2044.8384116797.

The spelling of 8550213986 in words is "eight billion, five hundred fifty million, two hundred thirteen thousand, nine hundred eighty-six".