845116671 has 32 divisors (see below), whose sum is σ = 1327782400. Its totient is φ = 477888768.

The previous prime is 845116639. The next prime is 845116673. The reversal of 845116671 is 176611548.

It is not a de Polignac number, because 845116671 - 2⁵ = 845116639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (845116673) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 95580 + ... + 104046.

It is an arithmetic number, because the mean of its divisors is an integer number (41493200).

Almost surely, 2^845116671 is an apocalyptic number.

845116671 is a deficient number, since it is larger than the sum of its proper divisors (482665729).

845116671 is an equidigital number, since it uses as much as digits as its factorization.

845116671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8588 (or 8574 counting only the distinct ones).

The product of its digits is 40320, while the sum is 39.

The square root of 845116671 is about 29070.8904404389. The cubic root of 845116671 is about 945.4507040763.

The spelling of 845116671 in words is "eight hundred forty-five million, one hundred sixteen thousand, six hundred seventy-one".