85958575 has 24 divisors (see below), whose sum is σ = 109658160. Its totient is φ = 66816000.

The previous prime is 85958563. The next prime is 85958597. The reversal of 85958575 is 57585958.

It is not a de Polignac number, because 85958575 - 2⁷ = 85958447 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 (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 148687 + ... + 149263.

It is an arithmetic number, because the mean of its divisors is an integer number (4569090).

Almost surely, 2^85958575 is an apocalyptic number.

85958575 is a deficient number, since it is larger than the sum of its proper divisors (23699585).

85958575 is a wasteful number, since it uses less digits than its factorization.

85958575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 747 (or 742 counting only the distinct ones).

The product of its digits is 2520000, while the sum is 52.

The square root of 85958575 is about 9271.3847401561. The cubic root of 85958575 is about 441.3296127085.

The spelling of 85958575 in words is "eighty-five million, nine hundred fifty-eight thousand, five hundred seventy-five".