86887185 has 32 divisors (see below), whose sum is σ = 173325312. Its totient is φ = 36108480.

The previous prime is 86887183. The next prime is 86887189. The reversal of 86887185 is 58178868.

It is a happy number.

It is not a de Polignac number, because 86887185 - 2¹ = 86887183 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (86887183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36459 + ... + 38768.

It is an arithmetic number, because the mean of its divisors is an integer number (5416416).

Almost surely, 2^86887185 is an apocalyptic number.

It is an amenable number.

86887185 is a deficient number, since it is larger than the sum of its proper divisors (86438127).

86887185 is a wasteful number, since it uses less digits than its factorization.

86887185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75253.

The product of its digits is 860160, while the sum is 51.

The square root of 86887185 is about 9321.3295725449. The cubic root of 86887185 is about 442.9131511097.

The spelling of 86887185 in words is "eighty-six million, eight hundred eighty-seven thousand, one hundred eighty-five".