85852579 has 4 divisors (see below), whose sum is σ = 85878360. Its totient is φ = 85826800.

The previous prime is 85852519. The next prime is 85852603. The reversal of 85852579 is 97525858.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 85852579 - 2¹³ = 85844387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85852519) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 6997 + ... + 14854.

It is an arithmetic number, because the mean of its divisors is an integer number (21469590).

Almost surely, 2^85852579 is an apocalyptic number.

85852579 is a deficient number, since it is larger than the sum of its proper divisors (25781).

85852579 is a wasteful number, since it uses less digits than its factorization.

85852579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25780.

The product of its digits is 1008000, while the sum is 49.

The square root of 85852579 is about 9265.6666786584. Note that the first 4 decimals coincide. The cubic root of 85852579 is about 441.1481360895.

The spelling of 85852579 in words is "eighty-five million, eight hundred fifty-two thousand, five hundred seventy-nine".