8671434085 has 16 divisors (see below), whose sum is σ = 10476781056. Its totient is φ = 6889844608.

The previous prime is 8671434067. The next prime is 8671434091. The reversal of 8671434085 is 5804341768.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 8671434085 - 2⁵ = 8671434053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1192932 + ... + 1200178.

It is an arithmetic number, because the mean of its divisors is an integer number (654798816).

Almost surely, 2^8671434085 is an apocalyptic number.

It is an amenable number.

8671434085 is a deficient number, since it is larger than the sum of its proper divisors (1805346971).

8671434085 is a wasteful number, since it uses less digits than its factorization.

8671434085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8852.

The product of its (nonzero) digits is 645120, while the sum is 46.

The square root of 8671434085 is about 93120.5352486765. The cubic root of 8671434085 is about 2054.4566209354.

The spelling of 8671434085 in words is "eight billion, six hundred seventy-one million, four hundred thirty-four thousand, eighty-five".