3987116612 has 24 divisors (see below), whose sum is σ = 7079688000. Its totient is φ = 1964380320.

The previous prime is 3987116611. The next prime is 3987116659. The reversal of 3987116612 is 2166117893.

It is not an unprimeable number, because it can be changed into a prime (3987116611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 778163 + ... + 783269.

It is an arithmetic number, because the mean of its divisors is an integer number (294987000).

Almost surely, 2^3987116612 is an apocalyptic number.

It is an amenable number.

3987116612 is a deficient number, since it is larger than the sum of its proper divisors (3092571388).

3987116612 is a wasteful number, since it uses less digits than its factorization.

3987116612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7931 (or 7929 counting only the distinct ones).

The product of its digits is 108864, while the sum is 44.

The square root of 3987116612 is about 63143.6189333491. The cubic root of 3987116612 is about 1585.6949603297.

The spelling of 3987116612 in words is "three billion, nine hundred eighty-seven million, one hundred sixteen thousand, six hundred twelve".