845266868 has 12 divisors (see below), whose sum is σ = 1489145700. Its totient is φ = 419796672.

The previous prime is 845266831. The next prime is 845266901. The reversal of 845266868 is 868662548.

It can be written as a sum of positive squares in 2 ways, for example, as 510669604 + 334597264 = 22598^2 + 18292^2 .

It is a congruent number.

It is an unprimeable number.

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, 708521 + ... + 709712.

It is an arithmetic number, because the mean of its divisors is an integer number (124095475).

Almost surely, 2^845266868 is an apocalyptic number.

It is an amenable number.

845266868 is a deficient number, since it is larger than the sum of its proper divisors (643878832).

845266868 is a wasteful number, since it uses less digits than its factorization.

845266868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1418386 (or 1418384 counting only the distinct ones).

The product of its digits is 4423680, while the sum is 53.

The square root of 845266868 is about 29073.4736142760. The cubic root of 845266868 is about 945.5067103267.

The spelling of 845266868 in words is "eight hundred forty-five million, two hundred sixty-six thousand, eight hundred sixty-eight".