85732871 has 8 divisors (see below), whose sum is σ = 98073984. Its totient is φ = 73415160.

The previous prime is 85732859. The next prime is 85732909. The reversal of 85732871 is 17823758.

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

It is not a de Polignac number, because 85732871 - 2¹⁰ = 85731847 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 (85732831) 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, 2876 + ... + 13406.

It is an arithmetic number, because the mean of its divisors is an integer number (12259248).

Almost surely, 2^85732871 is an apocalyptic number.

85732871 is a deficient number, since it is larger than the sum of its proper divisors (12341113).

85732871 is a wasteful number, since it uses less digits than its factorization.

85732871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11701.

The product of its digits is 94080, while the sum is 41.

The square root of 85732871 is about 9259.2046634687. The cubic root of 85732871 is about 440.9430033478.

The spelling of 85732871 in words is "eighty-five million, seven hundred thirty-two thousand, eight hundred seventy-one".