845280860 has 48 divisors (see below), whose sum is σ = 1794199680. Its totient is φ = 334494720.

The previous prime is 845280859. The next prime is 845280883. The reversal of 845280860 is 68082548.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 864692 + ... + 865668.

It is an arithmetic number, because the mean of its divisors is an integer number (37379160).

Almost surely, 2^845280860 is an apocalyptic number.

It is an amenable number.

845280860 is an abundant number, since it is smaller than the sum of its proper divisors (948918820).

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

845280860 is a wasteful number, since it uses less digits than its factorization.

845280860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1406 (or 1404 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 41.

The square root of 845280860 is about 29073.7142450014. The cubic root of 845280860 is about 945.5119273997.

The spelling of 845280860 in words is "eight hundred forty-five million, two hundred eighty thousand, eight hundred sixty".