85585759 has 4 divisors (see below), whose sum is σ = 97812304. Its totient is φ = 73359216.

The previous prime is 85585751. The next prime is 85585771. The reversal of 85585759 is 95758558.

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

It is not a de Polignac number, because 85585759 - 2³ = 85585751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85585751) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6113262 + ... + 6113275.

It is an arithmetic number, because the mean of its divisors is an integer number (24453076).

Almost surely, 2^85585759 is an apocalyptic number.

85585759 is a deficient number, since it is larger than the sum of its proper divisors (12226545).

85585759 is a wasteful number, since it uses less digits than its factorization.

85585759 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12226544.

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

The square root of 85585759 is about 9251.2571578137. The cubic root of 85585759 is about 440.6906491658.

The spelling of 85585759 in words is "eighty-five million, five hundred eighty-five thousand, seven hundred fifty-nine".