1085585579 has 16 divisors (see below), whose sum is σ = 1221572352. Its totient is φ = 957214368.

The previous prime is 1085585573. The next prime is 1085585581. The reversal of 1085585579 is 9755855801.

It is not a de Polignac number, because 1085585579 - 2⁴ = 1085585563 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1085585579.

It is not an unprimeable number, because it can be changed into a prime (1085585573) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 269192 + ... + 273194.

It is an arithmetic number, because the mean of its divisors is an integer number (76348272).

Almost surely, 2^1085585579 is an apocalyptic number.

1085585579 is a deficient number, since it is larger than the sum of its proper divisors (135986773).

1085585579 is a wasteful number, since it uses less digits than its factorization.

1085585579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4946.

The product of its (nonzero) digits is 2520000, while the sum is 53.

The square root of 1085585579 is about 32948.2257337174. The cubic root of 1085585579 is about 1027.7512693284.

The spelling of 1085585579 in words is "one billion, eighty-five million, five hundred eighty-five thousand, five hundred seventy-nine".