845338907 has 8 divisors (see below), whose sum is σ = 997266432. Its totient is φ = 701202600.

The previous prime is 845338891. The next prime is 845338913. The reversal of 845338907 is 709833548.

845338907 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 845338907 - 2⁴ = 845338891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (845332907) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1947569 + ... + 1948002.

It is an arithmetic number, because the mean of its divisors is an integer number (124658304).

Almost surely, 2^845338907 is an apocalyptic number.

845338907 is a deficient number, since it is larger than the sum of its proper divisors (151927525).

845338907 is a wasteful number, since it uses less digits than its factorization.

845338907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3895609.

The product of its (nonzero) digits is 725760, while the sum is 47.

The square root of 845338907 is about 29074.7125007282. The cubic root of 845338907 is about 945.5335702552.

The spelling of 845338907 in words is "eight hundred forty-five million, three hundred thirty-eight thousand, nine hundred seven".