85871008 has 36 divisors (see below), whose sum is σ = 171786258. Its totient is φ = 42249600.

The previous prime is 85870919. The next prime is 85871011. The reversal of 85871008 is 80017858.

It can be written as a sum of positive squares in only one way, i.e., 51437584 + 34433424 = 7172^2 + 5868^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 526735 + ... + 526897.

Almost surely, 2^85871008 is an apocalyptic number.

It is an amenable number.

85871008 is an abundant number, since it is smaller than the sum of its proper divisors (85915250).

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

85871008 is a wasteful number, since it uses less digits than its factorization.

85871008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437 (or 266 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 37.

The square root of 85871008 is about 9266.6611031158. The cubic root of 85871008 is about 441.1796992545.

The spelling of 85871008 in words is "eighty-five million, eight hundred seventy-one thousand, eight".