853405005 has 16 divisors (see below), whose sum is σ = 1382734080. Its totient is φ = 449387328.

The previous prime is 853404997. The next prime is 853405031. The reversal of 853405005 is 500504358.

It is not a de Polignac number, because 853405005 - 2³ = 853404997 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 358902 + ... + 361271.

It is an arithmetic number, because the mean of its divisors is an integer number (86420880).

Almost surely, 2^853405005 is an apocalyptic number.

It is an amenable number.

853405005 is a deficient number, since it is larger than the sum of its proper divisors (529329075).

853405005 is a wasteful number, since it uses less digits than its factorization.

853405005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720260.

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 853405005 is about 29213.0964637438. The cubic root of 853405005 is about 948.5314355030.

The spelling of 853405005 in words is "eight hundred fifty-three million, four hundred five thousand, five".