85871430008 has 64 divisors (see below), whose sum is σ = 199590720000. Its totient is φ = 33726678912.

The previous prime is 85871429989. The next prime is 85871430011. The reversal of 85871430008 is 80003417858.

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, 323108 + ... + 525491.

It is an arithmetic number, because the mean of its divisors is an integer number (3118605000).

Almost surely, 2^85871430008 is an apocalyptic number.

It is an amenable number.

85871430008 is an abundant number, since it is smaller than the sum of its proper divisors (113719289992).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85871430008 is a wasteful number, since it uses less digits than its factorization.

85871430008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 848764 (or 848760 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 44.

The spelling of 85871430008 in words is "eighty-five billion, eight hundred seventy-one million, four hundred thirty thousand, eight".