845007894 has 48 divisors (see below), whose sum is σ = 1870268400. Its totient is φ = 275669568.

The previous prime is 845007893. The next prime is 845007907. The reversal of 845007894 is 498700548.

845007894 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (845007893) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 160252 + ... + 165440.

It is an arithmetic number, because the mean of its divisors is an integer number (38963925).

Almost surely, 2^845007894 is an apocalyptic number.

845007894 is an abundant number, since it is smaller than the sum of its proper divisors (1025260506).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

845007894 is a wasteful number, since it uses less digits than its factorization.

845007894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5389 (or 5386 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 845007894 is about 29069.0194881080. The cubic root of 845007894 is about 945.4101385908.

The spelling of 845007894 in words is "eight hundred forty-five million, seven thousand, eight hundred ninety-four".