845659964 has 12 divisors (see below), whose sum is σ = 1480701600. Its totient is φ = 422602368.

The previous prime is 845659939. The next prime is 845659967. The reversal of 845659964 is 469956548.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (845659967) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 48404 + ... + 63515.

It is an arithmetic number, because the mean of its divisors is an integer number (123391800).

Almost surely, 2^845659964 is an apocalyptic number.

It is an amenable number.

845659964 is a deficient number, since it is larger than the sum of its proper divisors (635041636).

845659964 is a wasteful number, since it uses less digits than its factorization.

845659964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113812 (or 113810 counting only the distinct ones).

The product of its digits is 9331200, while the sum is 56.

The square root of 845659964 is about 29080.2332177718. The cubic root of 845659964 is about 945.6532586411.

The spelling of 845659964 in words is "eight hundred forty-five million, six hundred fifty-nine thousand, nine hundred sixty-four".