845773985 has 16 divisors (see below), whose sum is σ = 1175811456. Its totient is φ = 572012928.

The previous prime is 845773969. The next prime is 845773997. The reversal of 845773985 is 589377548.

845773985 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 845773985 - 2⁴ = 845773969 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 845773985.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162959 + ... + 168068.

It is an arithmetic number, because the mean of its divisors is an integer number (73488216).

Almost surely, 2^845773985 is an apocalyptic number.

It is an amenable number.

845773985 is a deficient number, since it is larger than the sum of its proper divisors (330037471).

845773985 is a wasteful number, since it uses less digits than its factorization.

845773985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331112.

The product of its digits is 8467200, while the sum is 56.

The square root of 845773985 is about 29082.1936070854. The cubic root of 845773985 is about 945.6957577894.

The spelling of 845773985 in words is "eight hundred forty-five million, seven hundred seventy-three thousand, nine hundred eighty-five".