85210587 has 48 divisors (see below), whose sum is σ = 157248000. Its totient is φ = 43171200.

The previous prime is 85210571. The next prime is 85210597. The reversal of 85210587 is 78501258.

It is not a de Polignac number, because 85210587 - 2⁴ = 85210571 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (85210507) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26914 + ... + 29912.

It is an arithmetic number, because the mean of its divisors is an integer number (3276000).

Almost surely, 2^85210587 is an apocalyptic number.

85210587 is a deficient number, since it is larger than the sum of its proper divisors (72037413).

85210587 is a wasteful number, since it uses less digits than its factorization.

85210587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3064 (or 3061 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 36.

The square root of 85210587 is about 9230.9580759529. The cubic root of 85210587 is about 440.0457717535.

The spelling of 85210587 in words is "eighty-five million, two hundred ten thousand, five hundred eighty-seven".