856700004 has 48 divisors (see below), whose sum is σ = 2066964480. Its totient is φ = 275884320.

The previous prime is 856699999. The next prime is 856700011. The reversal of 856700004 is 400007658.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 265867 + ... + 269069.

It is an arithmetic number, because the mean of its divisors is an integer number (43061760).

Almost surely, 2^856700004 is an apocalyptic number.

It is an amenable number.

856700004 is an abundant number, since it is smaller than the sum of its proper divisors (1210264476).

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

856700004 is a wasteful number, since it uses less digits than its factorization.

856700004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3960 (or 3958 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 856700004 is about 29269.4380540522. The cubic root of 856700004 is about 949.7506285448.

The spelling of 856700004 in words is "eight hundred fifty-six million, seven hundred thousand, four".