845868980 has 48 divisors (see below), whose sum is σ = 2039808960. Its totient is φ = 291398400.

The previous prime is 845868971. The next prime is 845868997. The reversal of 845868980 is 89868548.

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, 97001 + ... + 105360.

It is an arithmetic number, because the mean of its divisors is an integer number (42496020).

Almost surely, 2^845868980 is an apocalyptic number.

It is an amenable number.

845868980 is an abundant number, since it is smaller than the sum of its proper divisors (1193939980).

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

845868980 is a wasteful number, since it uses less digits than its factorization.

845868980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202400 (or 202398 counting only the distinct ones).

The product of its (nonzero) digits is 4423680, while the sum is 56.

The square root of 845868980 is about 29083.8267770938. The cubic root of 845868980 is about 945.7311624431.

The spelling of 845868980 in words is "eight hundred forty-five million, eight hundred sixty-eight thousand, nine hundred eighty".