845898866 has 8 divisors (see below), whose sum is σ = 1269019740. Its totient is φ = 422892288.

The previous prime is 845898863. The next prime is 845898877. The reversal of 845898866 is 668898548.

845898866 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 763361641 + 82537225 = 27629^2 + 9085^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 845898799 and 845898808.

It is not an unprimeable number, because it can be changed into a prime (845898863) 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, 6731 + ... + 41678.

Almost surely, 2^845898866 is an apocalyptic number.

845898866 is a deficient number, since it is larger than the sum of its proper divisors (423120874).

845898866 is a wasteful number, since it uses less digits than its factorization.

845898866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57148.

The product of its digits is 26542080, while the sum is 62.

The square root of 845898866 is about 29084.3405632653. The cubic root of 845898866 is about 945.7423004126.

The spelling of 845898866 in words is "eight hundred forty-five million, eight hundred ninety-eight thousand, eight hundred sixty-six".