85906875 has 20 divisors (see below), whose sum is σ = 143135432. Its totient is φ = 45816000.

The previous prime is 85906871. The next prime is 85906883. The reversal of 85906875 is 57860958.

It is not a de Polignac number, because 85906875 - 2² = 85906871 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85906871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 21034 + ... + 24783.

Almost surely, 2^85906875 is an apocalyptic number.

85906875 is a deficient number, since it is larger than the sum of its proper divisors (57228557).

85906875 is an equidigital number, since it uses as much as digits as its factorization.

85906875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45840 (or 45825 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 48.

The square root of 85906875 is about 9268.5961720209. The cubic root of 85906875 is about 441.2411153639.

The spelling of 85906875 in words is "eighty-five million, nine hundred six thousand, eight hundred seventy-five".