846315385497 has 12 divisors (see below), whose sum is σ = 1239673241664. Its totient is φ = 556263633240.

The previous prime is 846315385477. The next prime is 846315385543. The reversal of 846315385497 is 794583513648.

846315385497 is a `hidden beast` number, since 8 + 4 + 6 + 3 + 1 + 538 + 5 + 4 + 97 = 666.

It is not a de Polignac number, because 846315385497 - 2²⁶ = 846248276633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (846315385477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 662217973 + ... + 662219250.

It is an arithmetic number, because the mean of its divisors is an integer number (103306103472).

Almost surely, 2^846315385497 is an apocalyptic number.

It is an amenable number.

846315385497 is a deficient number, since it is larger than the sum of its proper divisors (393357856167).

846315385497 is a wasteful number, since it uses less digits than its factorization.

846315385497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1324437300 (or 1324437297 counting only the distinct ones).

The product of its digits is 87091200, while the sum is 63.

The spelling of 846315385497 in words is "eight hundred forty-six billion, three hundred fifteen million, three hundred eighty-five thousand, four hundred ninety-seven".