856676620 has 48 divisors (see below), whose sum is σ = 1829973600. Its totient is φ = 336821760.

The previous prime is 856676609. The next prime is 856676621. The reversal of 856676620 is 26676658.

856676620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (856676621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 320851 + ... + 323509.

It is an arithmetic number, because the mean of its divisors is an integer number (38124450).

Almost surely, 2^856676620 is an apocalyptic number.

It is an amenable number.

856676620 is an abundant number, since it is smaller than the sum of its proper divisors (973296980).

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

856676620 is a wasteful number, since it uses less digits than its factorization.

856676620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2938 (or 2936 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 46.

The square root of 856676620 is about 29269.0385902920. The cubic root of 856676620 is about 949.7419871804.

The spelling of 856676620 in words is "eight hundred fifty-six million, six hundred seventy-six thousand, six hundred twenty".