3686670280 has 16 divisors (see below), whose sum is σ = 8295008220. Its totient is φ = 1474668096.

The previous prime is 3686670277. The next prime is 3686670311. The reversal of 3686670280 is 820766863.

It can be written as a sum of positive squares in 2 ways, for example, as 3383283556 + 303386724 = 58166^2 + 17418^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3686670280.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46083339 + ... + 46083418.

Almost surely, 2^3686670280 is an apocalyptic number.

It is an amenable number.

3686670280 is an abundant number, since it is smaller than the sum of its proper divisors (4608337940).

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

3686670280 is a wasteful number, since it uses less digits than its factorization.

3686670280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92166768 (or 92166764 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 46.

The square root of 3686670280 is about 60717.9568167441. The cubic root of 3686670280 is about 1544.8207679867.

The spelling of 3686670280 in words is "three billion, six hundred eighty-six million, six hundred seventy thousand, two hundred eighty".