855842620 has 24 divisors (see below), whose sum is σ = 1798572384. Its totient is φ = 342088896.

The previous prime is 855842567. The next prime is 855842621. The reversal of 855842620 is 26248558.

855842620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (855842621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14154 + ... + 43726.

It is an arithmetic number, because the mean of its divisors is an integer number (74940516).

Almost surely, 2^855842620 is an apocalyptic number.

It is an amenable number.

855842620 is an abundant number, since it is smaller than the sum of its proper divisors (942729764).

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

855842620 is a wasteful number, since it uses less digits than its factorization.

855842620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31029 (or 31027 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 40.

The square root of 855842620 is about 29254.7879841916. The cubic root of 855842620 is about 949.4336864839.

The spelling of 855842620 in words is "eight hundred fifty-five million, eight hundred forty-two thousand, six hundred twenty".