846856337801 has 2 divisors, whose sum is σ = 846856337802. Its totient is φ = 846856337800.

The previous prime is 846856337783. The next prime is 846856337813. The reversal of 846856337801 is 108733658648.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 433722347776 + 413133990025 = 658576^2 + 642755^2 .

It is a cyclic number.

It is not a de Polignac number, because 846856337801 - 2³⁸ = 571978430857 is a prime.

It is not a weakly prime, because it can be changed into another prime (846856337861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 423428168900 + 423428168901.

It is an arithmetic number, because the mean of its divisors is an integer number (423428168901).

Almost surely, 2^846856337801 is an apocalyptic number.

It is an amenable number.

846856337801 is a deficient number, since it is larger than the sum of its proper divisors (1).

846856337801 is an equidigital number, since it uses as much as digits as its factorization.

846856337801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23224320, while the sum is 59.

The spelling of 846856337801 in words is "eight hundred forty-six billion, eight hundred fifty-six million, three hundred thirty-seven thousand, eight hundred one".