85411587 has 8 divisors (see below), whose sum is σ = 120581136. Its totient is φ = 53591552.

The previous prime is 85411537. The next prime is 85411589. The reversal of 85411587 is 78511458.

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 85411587 - 2¹⁸ = 85149443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85411589) 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, 837318 + ... + 837419.

It is an arithmetic number, because the mean of its divisors is an integer number (15072642).

Almost surely, 2^85411587 is an apocalyptic number.

85411587 is a deficient number, since it is larger than the sum of its proper divisors (35169549).

85411587 is a wasteful number, since it uses less digits than its factorization.

85411587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1674757.

The product of its digits is 44800, while the sum is 39.

The square root of 85411587 is about 9241.8389403841. The cubic root of 85411587 is about 440.3915024416.

The spelling of 85411587 in words is "eighty-five million, four hundred eleven thousand, five hundred eighty-seven".