8005706986 has 16 divisors (see below), whose sum is σ = 12308345280. Its totient is φ = 3903034720.

The previous prime is 8005706927. The next prime is 8005706993. The reversal of 8005706986 is 6896075008.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 125025 + ... + 177883.

It is an arithmetic number, because the mean of its divisors is an integer number (769271580).

Almost surely, 2^8005706986 is an apocalyptic number.

8005706986 is a deficient number, since it is larger than the sum of its proper divisors (4302638294).

8005706986 is a wasteful number, since it uses less digits than its factorization.

8005706986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54749.

The product of its (nonzero) digits is 725760, while the sum is 49.

The square root of 8005706986 is about 89474.6164339362. The cubic root of 8005706986 is about 2000.4754691223.

The spelling of 8005706986 in words is "eight billion, five million, seven hundred six thousand, nine hundred eighty-six".