85725575 has 24 divisors (see below), whose sum is σ = 115159296. Its totient is φ = 62928000.

The previous prime is 85725553. The next prime is 85725581. The reversal of 85725575 is 57552758.

It is not a de Polignac number, because 85725575 - 2⁸ = 85725319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61385 + ... + 62765.

It is an arithmetic number, because the mean of its divisors is an integer number (4798304).

Almost surely, 2^85725575 is an apocalyptic number.

85725575 is a deficient number, since it is larger than the sum of its proper divisors (29433721).

85725575 is a wasteful number, since it uses less digits than its factorization.

85725575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1595 (or 1590 counting only the distinct ones).

The product of its digits is 490000, while the sum is 44.

The square root of 85725575 is about 9258.8106687630. The cubic root of 85725575 is about 440.9304946823.

The spelling of 85725575 in words is "eighty-five million, seven hundred twenty-five thousand, five hundred seventy-five".