845927065873 has 2 divisors, whose sum is σ = 845927065874. Its totient is φ = 845927065872.

The previous prime is 845927065859. The next prime is 845927065937. The reversal of 845927065873 is 378560729548.

It is an a-pointer prime, because the next prime (845927065937) can be obtained adding 845927065873 to its sum of digits (64).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 433343090944 + 412583974929 = 658288^2 + 642327^2 .

It is a cyclic number.

It is not a de Polignac number, because 845927065873 - 2³⁷ = 708488112401 is a prime.

It is not a weakly prime, because it can be changed into another prime (845927065813) 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 as a sum of consecutive naturals, namely, 422963532936 + 422963532937.

It is an arithmetic number, because the mean of its divisors is an integer number (422963532937).

Almost surely, 2^845927065873 is an apocalyptic number.

It is an amenable number.

845927065873 is a deficient number, since it is larger than the sum of its proper divisors (1).

845927065873 is an equidigital number, since it uses as much as digits as its factorization.

845927065873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 101606400, while the sum is 64.

The spelling of 845927065873 in words is "eight hundred forty-five billion, nine hundred twenty-seven million, sixty-five thousand, eight hundred seventy-three".