985075585 has 32 divisors (see below), whose sum is σ = 1315077120. Its totient is φ = 703769088.

The previous prime is 985075583. The next prime is 985075613. The reversal of 985075585 is 585570589.

It is a cyclic number.

It is not a de Polignac number, because 985075585 - 2¹ = 985075583 is a prime.

It is not an unprimeable number, because it can be changed into a prime (985075583) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 270084 + ... + 273706.

It is an arithmetic number, because the mean of its divisors is an integer number (41096160).

Almost surely, 2^985075585 is an apocalyptic number.

It is an amenable number.

985075585 is a deficient number, since it is larger than the sum of its proper divisors (330001535).

985075585 is a wasteful number, since it uses less digits than its factorization.

985075585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3777.

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

The square root of 985075585 is about 31385.9137990277. The cubic root of 985075585 is about 995.0002390511. Note that the first 3 decimals are identical.

The spelling of 985075585 in words is "nine hundred eighty-five million, seventy-five thousand, five hundred eighty-five".