85219585 has 8 divisors (see below), whose sum is σ = 111560256. Its totient is φ = 61977840.

The previous prime is 85219567. The next prime is 85219613. The reversal of 85219585 is 58591258.

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

It is not a de Polignac number, because 85219585 - 2⁵ = 85219553 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 774669 + ... + 774778.

It is an arithmetic number, because the mean of its divisors is an integer number (13945032).

Almost surely, 2^85219585 is an apocalyptic number.

It is an amenable number.

85219585 is a deficient number, since it is larger than the sum of its proper divisors (26340671).

85219585 is a wasteful number, since it uses less digits than its factorization.

85219585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1549463.

The product of its digits is 144000, while the sum is 43.

The square root of 85219585 is about 9231.4454447827. The cubic root of 85219585 is about 440.0612604098.

The spelling of 85219585 in words is "eighty-five million, two hundred nineteen thousand, five hundred eighty-five".