38987636108 has 12 divisors (see below), whose sum is σ = 68260425240. Its totient is φ = 19484657472.

The previous prime is 38987636089. The next prime is 38987636141. The reversal of 38987636108 is 80163678983.

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, 2280566 + ... + 2297597.

It is an arithmetic number, because the mean of its divisors is an integer number (5688368770).

Almost surely, 2^38987636108 is an apocalyptic number.

It is an amenable number.

38987636108 is a deficient number, since it is larger than the sum of its proper divisors (29272789132).

38987636108 is a wasteful number, since it uses less digits than its factorization.

38987636108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4580296 (or 4580294 counting only the distinct ones).

The product of its (nonzero) digits is 10450944, while the sum is 59.

The spelling of 38987636108 in words is "thirty-eight billion, nine hundred eighty-seven million, six hundred thirty-six thousand, one hundred eight".