85871036 has 12 divisors (see below), whose sum is σ = 150382512. Its totient is φ = 42904608.

The previous prime is 85871033. The next prime is 85871041. The reversal of 85871036 is 63017858.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85871033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 785 + ... + 13128.

It is an arithmetic number, because the mean of its divisors is an integer number (12531876).

Almost surely, 2^85871036 is an apocalyptic number.

It is an amenable number.

85871036 is a deficient number, since it is larger than the sum of its proper divisors (64511476).

85871036 is a wasteful number, since it uses less digits than its factorization.

85871036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15460 (or 15458 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 85871036 is about 9266.6626139080. The cubic root of 85871036 is about 441.1797472063.

The spelling of 85871036 in words is "eighty-five million, eight hundred seventy-one thousand, thirty-six".