85375575 has 36 divisors (see below), whose sum is σ = 153414040. Its totient is φ = 45385920.

The previous prime is 85375573. The next prime is 85375579. The reversal of 85375575 is 57557358.

85375575 is a `hidden beast` number, since 8 + 5 + 3 + 75 + 575 = 666.

It is not a de Polignac number, because 85375575 - 2¹ = 85375573 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 85375575.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85375573) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 137616 + ... + 138234.

Almost surely, 2^85375575 is an apocalyptic number.

85375575 is a deficient number, since it is larger than the sum of its proper divisors (68038465).

85375575 is a wasteful number, since it uses less digits than its factorization.

85375575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1248 (or 1240 counting only the distinct ones).

The product of its digits is 735000, while the sum is 45.

The square root of 85375575 is about 9239.8904214282. The cubic root of 85375575 is about 440.3295998014.

The spelling of 85375575 in words is "eighty-five million, three hundred seventy-five thousand, five hundred seventy-five".