846520873 has 4 divisors (see below), whose sum is σ = 923477328. Its totient is φ = 769564420.

The previous prime is 846520861. The next prime is 846520877. The reversal of 846520873 is 378025648.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 846520873 - 2⁹ = 846520361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (846520877) 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, 38478211 + ... + 38478232.

It is an arithmetic number, because the mean of its divisors is an integer number (230869332).

Almost surely, 2^846520873 is an apocalyptic number.

It is an amenable number.

846520873 is a deficient number, since it is larger than the sum of its proper divisors (76956455).

846520873 is a wasteful number, since it uses less digits than its factorization.

846520873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76956454.

The product of its (nonzero) digits is 322560, while the sum is 43.

The square root of 846520873 is about 29095.0317580167. The cubic root of 846520873 is about 945.9740516015.

The spelling of 846520873 in words is "eight hundred forty-six million, five hundred twenty thousand, eight hundred seventy-three".