845842772 has 12 divisors (see below), whose sum is σ = 1484350560. Its totient is φ = 421742616.

The previous prime is 845842763. The next prime is 845842799. The reversal of 845842772 is 277248548.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 293078 + ... + 295949.

It is an arithmetic number, because the mean of its divisors is an integer number (123695880).

Almost surely, 2^845842772 is an apocalyptic number.

It is an amenable number.

845842772 is a deficient number, since it is larger than the sum of its proper divisors (638507788).

845842772 is a wasteful number, since it uses less digits than its factorization.

845842772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589390 (or 589388 counting only the distinct ones).

The product of its digits is 1003520, while the sum is 47.

The square root of 845842772 is about 29083.3762139130. The cubic root of 845842772 is about 945.7213949815.

The spelling of 845842772 in words is "eight hundred forty-five million, eight hundred forty-two thousand, seven hundred seventy-two".