845259971327 has 4 divisors (see below), whose sum is σ = 874406866920. Its totient is φ = 816113075736.

The previous prime is 845259971321. The next prime is 845259971371. The reversal of 845259971327 is 723179952548.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 845259971327 - 2⁶ = 845259971263 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 845259971327.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (845259971321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14573447753 + ... + 14573447810.

It is an arithmetic number, because the mean of its divisors is an integer number (218601716730).

Almost surely, 2^845259971327 is an apocalyptic number.

845259971327 is a deficient number, since it is larger than the sum of its proper divisors (29146895593).

845259971327 is a wasteful number, since it uses less digits than its factorization.

845259971327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29146895592.

The product of its digits is 38102400, while the sum is 62.

The spelling of 845259971327 in words is "eight hundred forty-five billion, two hundred fifty-nine million, nine hundred seventy-one thousand, three hundred twenty-seven".