845273771803 has 2 divisors, whose sum is σ = 845273771804. Its totient is φ = 845273771802.

The previous prime is 845273771779. The next prime is 845273771831. The reversal of 845273771803 is 308177372548.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 845273771803 - 2⁹ = 845273771291 is a prime.

It is not a weakly prime, because it can be changed into another prime (845273771863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 422636885901 + 422636885902.

It is an arithmetic number, because the mean of its divisors is an integer number (422636885902).

Almost surely, 2^845273771803 is an apocalyptic number.

845273771803 is a deficient number, since it is larger than the sum of its proper divisors (1).

845273771803 is an equidigital number, since it uses as much as digits as its factorization.

845273771803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7902720, while the sum is 55.

The spelling of 845273771803 in words is "eight hundred forty-five billion, two hundred seventy-three million, seven hundred seventy-one thousand, eight hundred three".