845273797 has 4 divisors (see below), whose sum is σ = 846580896. Its totient is φ = 843966700.

The previous prime is 845273791. The next prime is 845273831. The reversal of 845273797 is 797372548.

845273797 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 845273797 - 2¹⁵ = 845241029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (845273791) 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, 652579 + ... + 653872.

It is an arithmetic number, because the mean of its divisors is an integer number (211645224).

Almost surely, 2^845273797 is an apocalyptic number.

It is an amenable number.

845273797 is a deficient number, since it is larger than the sum of its proper divisors (1307099).

845273797 is a wasteful number, since it uses less digits than its factorization.

845273797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1307098.

The product of its digits is 2963520, while the sum is 52.

The square root of 845273797 is about 29073.5927776393. The cubic root of 845273797 is about 945.5092938887.

The spelling of 845273797 in words is "eight hundred forty-five million, two hundred seventy-three thousand, seven hundred ninety-seven".