85871063 has 8 divisors (see below), whose sum is σ = 91005408. Its totient is φ = 80745984.

The previous prime is 85871057. The next prime is 85871069. The reversal of 85871063 is 36017858.

It is an interprime number because it is at equal distance from previous prime (85871057) and next prime (85871069).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 85871063 - 2¹⁴ = 85854679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85871069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28895 + ... + 31727.

It is an arithmetic number, because the mean of its divisors is an integer number (11375676).

Almost surely, 2^85871063 is an apocalyptic number.

85871063 is a deficient number, since it is larger than the sum of its proper divisors (5134345).

85871063 is a wasteful number, since it uses less digits than its factorization.

85871063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4633.

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

The square root of 85871063 is about 9266.6640707430. The cubic root of 85871063 is about 441.1797934456.

The spelling of 85871063 in words is "eighty-five million, eight hundred seventy-one thousand, sixty-three".