846205455231 has 12 divisors (see below), whose sum is σ = 1227777923008. Its totient is φ = 561607206624.

The previous prime is 846205455191. The next prime is 846205455269. The reversal of 846205455231 is 132554502648.

846205455231 is a `hidden beast` number, since 8 + 4 + 6 + 20 + 545 + 52 + 31 = 666.

It is not a de Polignac number, because 846205455231 - 2¹⁰ = 846205454207 is a prime.

It is a super-2 number, since 2×846205455231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (846205455631) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 210811510 + ... + 210815523.

Almost surely, 2^846205455231 is an apocalyptic number.

846205455231 is a deficient number, since it is larger than the sum of its proper divisors (381572467777).

846205455231 is a wasteful number, since it uses less digits than its factorization.

846205455231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421627262 (or 421627259 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 45.

Adding to 846205455231 its reverse (132554502648), we get a palindrome (978759957879).

The spelling of 846205455231 in words is "eight hundred forty-six billion, two hundred five million, four hundred fifty-five thousand, two hundred thirty-one".