85871485 has 16 divisors (see below), whose sum is σ = 118368000. Its totient is φ = 58582656.

The previous prime is 85871483. The next prime is 85871503. The reversal of 85871485 is 58417858.

It is a cyclic number.

It is not a de Polignac number, because 85871485 - 2¹ = 85871483 is a prime.

It is a super-2 number, since 2×85871485² = 14747823872210450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85871483) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 801 + ... + 13129.

It is an arithmetic number, because the mean of its divisors is an integer number (7398000).

Almost surely, 2^85871485 is an apocalyptic number.

It is an amenable number.

85871485 is a deficient number, since it is larger than the sum of its proper divisors (32496515).

85871485 is a wasteful number, since it uses less digits than its factorization.

85871485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12540.

The product of its digits is 358400, while the sum is 46.

The square root of 85871485 is about 9266.6868405056. The cubic root of 85871485 is about 441.1805161477.

The spelling of 85871485 in words is "eighty-five million, eight hundred seventy-one thousand, four hundred eighty-five".