856575080 has 16 divisors (see below), whose sum is σ = 1927294020. Its totient is φ = 342630016.

The previous prime is 856575067. The next prime is 856575113. The reversal of 856575080 is 80575658.

It can be written as a sum of positive squares in 2 ways, for example, as 830707684 + 25867396 = 28822^2 + 5086^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10707149 + ... + 10707228.

Almost surely, 2^856575080 is an apocalyptic number.

It is an amenable number.

856575080 is an abundant number, since it is smaller than the sum of its proper divisors (1070718940).

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

856575080 is a wasteful number, since it uses less digits than its factorization.

856575080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21414388 (or 21414384 counting only the distinct ones).

The product of its (nonzero) digits is 336000, while the sum is 44.

The square root of 856575080 is about 29267.3039414292. The cubic root of 856575080 is about 949.7044620865.

The spelling of 856575080 in words is "eight hundred fifty-six million, five hundred seventy-five thousand, eighty".