845773994 has 32 divisors (see below), whose sum is σ = 1413345024. Its totient is φ = 377089920.

The previous prime is 845773969. The next prime is 845773997. The reversal of 845773994 is 499377548.

It is not an unprimeable number, because it can be changed into a prime (845773997) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105947 + ... + 113649.

It is an arithmetic number, because the mean of its divisors is an integer number (44167032).

Almost surely, 2^845773994 is an apocalyptic number.

845773994 is a deficient number, since it is larger than the sum of its proper divisors (567571030).

845773994 is a wasteful number, since it uses less digits than its factorization.

845773994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7862.

The product of its digits is 7620480, while the sum is 56.

The square root of 845773994 is about 29082.1937618193. The cubic root of 845773994 is about 945.6957611438.

The spelling of 845773994 in words is "eight hundred forty-five million, seven hundred seventy-three thousand, nine hundred ninety-four".