845317628 has 12 divisors (see below), whose sum is σ = 1481140080. Its totient is φ = 422134752.

The previous prime is 845317609. The next prime is 845317633. The reversal of 845317628 is 826713548.

845317628 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 an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127376 + ... + 133847.

It is an arithmetic number, because the mean of its divisors is an integer number (123428340).

Almost surely, 2^845317628 is an apocalyptic number.

It is an amenable number.

845317628 is a deficient number, since it is larger than the sum of its proper divisors (635822452).

845317628 is a wasteful number, since it uses less digits than its factorization.

845317628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262036 (or 262034 counting only the distinct ones).

The product of its digits is 322560, while the sum is 44.

The square root of 845317628 is about 29074.3465618748. The cubic root of 845317628 is about 945.5256364835.

The spelling of 845317628 in words is "eight hundred forty-five million, three hundred seventeen thousand, six hundred twenty-eight".