8006766671 has 4 divisors (see below), whose sum is σ = 8012278632. Its totient is φ = 8001254712.

The previous prime is 8006766667. The next prime is 8006766673. The reversal of 8006766671 is 1766676008.

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 8006766671 - 2² = 8006766667 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8006766673) 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 in 3 ways as a sum of consecutive naturals, for example, 2753801 + ... + 2756706.

It is an arithmetic number, because the mean of its divisors is an integer number (2003069658).

Almost surely, 2^8006766671 is an apocalyptic number.

8006766671 is a deficient number, since it is larger than the sum of its proper divisors (5511961).

8006766671 is a wasteful number, since it uses less digits than its factorization.

8006766671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5511960.

The product of its (nonzero) digits is 508032, while the sum is 47.

The square root of 8006766671 is about 89480.5379454102. The cubic root of 8006766671 is about 2000.5637303391.

The spelling of 8006766671 in words is "eight billion, six million, seven hundred sixty-six thousand, six hundred seventy-one".