885040470409 has 4 divisors (see below), whose sum is σ = 886257858304. Its totient is φ = 883823082516.

The previous prime is 885040470407. The next prime is 885040470443. The reversal of 885040470409 is 904074040588.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 885040470409 - 2¹ = 885040470407 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (885040470407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 608692857 + ... + 608694310.

It is an arithmetic number, because the mean of its divisors is an integer number (221564464576).

Almost surely, 2^885040470409 is an apocalyptic number.

It is an amenable number.

885040470409 is a deficient number, since it is larger than the sum of its proper divisors (1217387895).

885040470409 is a wasteful number, since it uses less digits than its factorization.

885040470409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1217387894.

The product of its (nonzero) digits is 1290240, while the sum is 49.

The spelling of 885040470409 in words is "eight hundred eighty-five billion, forty million, four hundred seventy thousand, four hundred nine".