1085585578 has 32 divisors (see below), whose sum is σ = 2032018560. Its totient is φ = 422573760.

The previous prime is 1085585573. The next prime is 1085585581. The reversal of 1085585578 is 8755855801.

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

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 217600 + ... + 222532.

It is an arithmetic number, because the mean of its divisors is an integer number (63500580).

Almost surely, 2^1085585578 is an apocalyptic number.

1085585578 is a deficient number, since it is larger than the sum of its proper divisors (946432982).

1085585578 is a wasteful number, since it uses less digits than its factorization.

1085585578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6382.

The product of its (nonzero) digits is 2240000, while the sum is 52.

The square root of 1085585578 is about 32948.2257185421. The cubic root of 1085585578 is about 1027.7512690128.

The spelling of 1085585578 in words is "one billion, eighty-five million, five hundred eighty-five thousand, five hundred seventy-eight".