872818206 has 64 divisors (see below), whose sum is σ = 1964390400. Its totient is φ = 256705920.

The previous prime is 872818187. The next prime is 872818213. The reversal of 872818206 is 602818278.

It is a super-3 number, since 3×872818206³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 198520 + ... + 202868.

It is an arithmetic number, because the mean of its divisors is an integer number (30693600).

Almost surely, 2^872818206 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 872818206, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (982195200).

872818206 is an abundant number, since it is smaller than the sum of its proper divisors (1091572194).

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

872818206 is a wasteful number, since it uses less digits than its factorization.

872818206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4481.

The product of its (nonzero) digits is 86016, while the sum is 42.

The square root of 872818206 is about 29543.4968478682. The cubic root of 872818206 is about 955.6699541412.

The spelling of 872818206 in words is "eight hundred seventy-two million, eight hundred eighteen thousand, two hundred six".