845273771797 has 8 divisors (see below), whose sum is σ = 1040336950016. Its totient is φ = 668788039152.

The previous prime is 845273771779. The next prime is 845273771803. The reversal of 845273771797 is 797177372548.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 845273771797 - 2¹⁵ = 845273739029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (845273771747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4644361293 + ... + 4644361474.

It is an arithmetic number, because the mean of its divisors is an integer number (130042118752).

Almost surely, 2^845273771797 is an apocalyptic number.

It is an amenable number.

845273771797 is a deficient number, since it is larger than the sum of its proper divisors (195063178219).

845273771797 is a wasteful number, since it uses less digits than its factorization.

845273771797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9288722787.

The product of its digits is 145212480, while the sum is 67.

The spelling of 845273771797 in words is "eight hundred forty-five billion, two hundred seventy-three million, seven hundred seventy-one thousand, seven hundred ninety-seven".