3687888916 has 12 divisors (see below), whose sum is σ = 6464338132. Its totient is φ = 1840935168.

The previous prime is 3687888871. The next prime is 3687888917. The reversal of 3687888916 is 6198887863.

It can be written as a sum of positive squares in 2 ways, for example, as 85488516 + 3602400400 = 9246^2 + 60020^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3687888917) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 749565 + ... + 754468.

Almost surely, 2^3687888916 is an apocalyptic number.

It is an amenable number.

3687888916 is a deficient number, since it is larger than the sum of its proper divisors (2776449216).

3687888916 is a wasteful number, since it uses less digits than its factorization.

3687888916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1504650 (or 1504648 counting only the distinct ones).

The product of its digits is 27869184, while the sum is 64.

The square root of 3687888916 is about 60727.9912066915. The cubic root of 3687888916 is about 1544.9909637340.

The spelling of 3687888916 in words is "three billion, six hundred eighty-seven million, eight hundred eighty-eight thousand, nine hundred sixteen".