85587869 has 8 divisors (see below), whose sum is σ = 90504960. Its totient is φ = 80805600.

The previous prime is 85587863. The next prime is 85587871. The reversal of 85587869 is 96878558.

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

It is a cyclic number.

It is not a de Polignac number, because 85587869 - 2²⁴ = 68810653 is a prime.

It is a super-2 number, since 2×85587869² = 14650566639922322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85587863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32399 + ... + 34940.

It is an arithmetic number, because the mean of its divisors is an integer number (11313120).

Almost surely, 2^85587869 is an apocalyptic number.

It is an amenable number.

85587869 is a deficient number, since it is larger than the sum of its proper divisors (4917091).

85587869 is a wasteful number, since it uses less digits than its factorization.

85587869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67411.

The product of its digits is 4838400, while the sum is 56.

The square root of 85587869 is about 9251.3711956661. The cubic root of 85587869 is about 440.6942706780.

The spelling of 85587869 in words is "eighty-five million, five hundred eighty-seven thousand, eight hundred sixty-nine".