85976187 has 24 divisors (see below), whose sum is σ = 126658560. Its totient is φ = 51836400.

The previous prime is 85976179. The next prime is 85976201. The reversal of 85976187 is 78167958.

It is not a de Polignac number, because 85976187 - 2³ = 85976179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85976147) 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 23 ways as a sum of consecutive naturals, for example, 86262 + ... + 87252.

It is an arithmetic number, because the mean of its divisors is an integer number (5277440).

Almost surely, 2^85976187 is an apocalyptic number.

85976187 is a deficient number, since it is larger than the sum of its proper divisors (40682373).

85976187 is a wasteful number, since it uses less digits than its factorization.

85976187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1255 (or 1244 counting only the distinct ones).

The product of its digits is 846720, while the sum is 51.

The square root of 85976187 is about 9272.3344956920. The cubic root of 85976187 is about 441.3597519019.

The spelling of 85976187 in words is "eighty-five million, nine hundred seventy-six thousand, one hundred eighty-seven".