853617980 has 12 divisors (see below), whose sum is σ = 1792597800. Its totient is φ = 341447184.

The previous prime is 853617979. The next prime is 853618039. The reversal of 853617980 is 89716358.

It is a happy number.

853617980 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, 21340430 + ... + 21340469.

It is an arithmetic number, because the mean of its divisors is an integer number (149383150).

Almost surely, 2^853617980 is an apocalyptic number.

It is an amenable number.

853617980 is an abundant number, since it is smaller than the sum of its proper divisors (938979820).

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

853617980 is a wasteful number, since it uses less digits than its factorization.

853617980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42680908 (or 42680906 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 47.

The square root of 853617980 is about 29216.7414336370. The cubic root of 853617980 is about 948.6103338295.

The spelling of 853617980 in words is "eight hundred fifty-three million, six hundred seventeen thousand, nine hundred eighty".