85240187 has 8 divisors (see below), whose sum is σ = 87514176. Its totient is φ = 82985472.

The previous prime is 85240171. The next prime is 85240223. The reversal of 85240187 is 78104258.

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 85240187 - 2⁴ = 85240171 is a prime.

It is a super-3 number, since 3×85240187³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85240117) 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, 4373 + ... + 13769.

It is an arithmetic number, because the mean of its divisors is an integer number (10939272).

Almost surely, 2^85240187 is an apocalyptic number.

85240187 is a deficient number, since it is larger than the sum of its proper divisors (2273989).

85240187 is a wasteful number, since it uses less digits than its factorization.

85240187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9637.

The product of its (nonzero) digits is 17920, while the sum is 35.

The square root of 85240187 is about 9232.5612372732. The cubic root of 85240187 is about 440.0967194404.

The spelling of 85240187 in words is "eighty-five million, two hundred forty thousand, one hundred eighty-seven".