8666871934 has 32 divisors (see below), whose sum is σ = 15751305216. Its totient is φ = 3497398560.

The previous prime is 8666871919. The next prime is 8666871973. The reversal of 8666871934 is 4391786668.

It is a happy number.

8666871934 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×8666871934² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 253804 + ... + 285919.

It is an arithmetic number, because the mean of its divisors is an integer number (492228288).

Almost surely, 2^8666871934 is an apocalyptic number.

8666871934 is a deficient number, since it is larger than the sum of its proper divisors (7084433282).

8666871934 is a wasteful number, since it uses less digits than its factorization.

8666871934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539800.

The product of its digits is 10450944, while the sum is 58.

The square root of 8666871934 is about 93096.0360810276. The cubic root of 8666871934 is about 2054.0962658730.

The spelling of 8666871934 in words is "eight billion, six hundred sixty-six million, eight hundred seventy-one thousand, nine hundred thirty-four".