85565895 has 8 divisors (see below), whose sum is σ = 136905456. Its totient is φ = 45635136.

The previous prime is 85565813. The next prime is 85565917. The reversal of 85565895 is 59856558.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 85565895 - 2⁸ = 85565639 is a prime.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2852182 + ... + 2852211.

It is an arithmetic number, because the mean of its divisors is an integer number (17113182).

Almost surely, 2^85565895 is an apocalyptic number.

85565895 is a deficient number, since it is larger than the sum of its proper divisors (51339561).

85565895 is a wasteful number, since it uses less digits than its factorization.

85565895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5704401.

The product of its digits is 2160000, while the sum is 51.

The square root of 85565895 is about 9250.1835116932. The cubic root of 85565895 is about 440.6565525416.

The spelling of 85565895 in words is "eighty-five million, five hundred sixty-five thousand, eight hundred ninety-five".