3675985864 has 8 divisors (see below), whose sum is σ = 6892473510. Its totient is φ = 1837992928.

The previous prime is 3675985811. The next prime is 3675985889. The reversal of 3675985864 is 4685895763.

It can be written as a sum of positive squares in only one way, i.e., 2622464100 + 1053521764 = 51210^2 + 32458^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 229749109 + ... + 229749124.

Almost surely, 2^3675985864 is an apocalyptic number.

It is an amenable number.

3675985864 is a deficient number, since it is larger than the sum of its proper divisors (3216487646).

3675985864 is a wasteful number, since it uses less digits than its factorization.

3675985864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459498239 (or 459498235 counting only the distinct ones).

The product of its digits is 43545600, while the sum is 61.

The square root of 3675985864 is about 60629.9089888811. The cubic root of 3675985864 is about 1543.3269648904.

The spelling of 3675985864 in words is "three billion, six hundred seventy-five million, nine hundred eighty-five thousand, eight hundred sixty-four".