3687061544 has 16 divisors (see below), whose sum is σ = 7100085300. Its totient is φ = 1793705472.

The previous prime is 3687061513. The next prime is 3687061579. The reversal of 3687061544 is 4451607863.

It can be written as a sum of positive squares in 2 ways, for example, as 3276188644 + 410872900 = 57238^2 + 20270^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3687061495 and 3687061504.

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, 6227849 + ... + 6228440.

Almost surely, 2^3687061544 is an apocalyptic number.

It is an amenable number.

3687061544 is a deficient number, since it is larger than the sum of its proper divisors (3413023756).

3687061544 is a wasteful number, since it uses less digits than its factorization.

3687061544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12456332 (or 12456328 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 44.

The square root of 3687061544 is about 60721.1787105619. The cubic root of 3687061544 is about 1544.8754163393.

The spelling of 3687061544 in words is "three billion, six hundred eighty-seven million, sixty-one thousand, five hundred forty-four".