845065505 has 8 divisors (see below), whose sum is σ = 1015202112. Its totient is φ = 675303408.

The previous prime is 845065477. The next prime is 845065511. The reversal of 845065505 is 505560548.

845065505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 845065505 - 2¹⁰ = 845064481 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88637 + ... + 97706.

It is an arithmetic number, because the mean of its divisors is an integer number (126900264).

Almost surely, 2^845065505 is an apocalyptic number.

It is an amenable number.

845065505 is a deficient number, since it is larger than the sum of its proper divisors (170136607).

845065505 is a wasteful number, since it uses less digits than its factorization.

845065505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187255.

The product of its (nonzero) digits is 120000, while the sum is 38.

The square root of 845065505 is about 29070.0104059149. The cubic root of 845065505 is about 945.4316235127.

The spelling of 845065505 in words is "eight hundred forty-five million, sixty-five thousand, five hundred five".