85861712 has 20 divisors (see below), whose sum is σ = 170227200. Its totient is φ = 41932128.

The previous prime is 85861681. The next prime is 85861729. The reversal of 85861712 is 21716858.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 61712 + ... + 63087.

It is an arithmetic number, because the mean of its divisors is an integer number (8511360).

Almost surely, 2^85861712 is an apocalyptic number.

It is an amenable number.

85861712 is a deficient number, since it is larger than the sum of its proper divisors (84365488).

85861712 is a wasteful number, since it uses less digits than its factorization.

85861712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124850 (or 124844 counting only the distinct ones).

The product of its digits is 26880, while the sum is 38.

The square root of 85861712 is about 9266.1595065054. The cubic root of 85861712 is about 441.1637786522.

The spelling of 85861712 in words is "eighty-five million, eight hundred sixty-one thousand, seven hundred twelve".