38765855816 has 16 divisors (see below), whose sum is σ = 75846240000. Its totient is φ = 18540191824.

The previous prime is 38765855809. The next prime is 38765855827. The reversal of 38765855816 is 61855856783.

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, 105341816 + ... + 105342183.

It is an arithmetic number, because the mean of its divisors is an integer number (4740390000).

Almost surely, 2^38765855816 is an apocalyptic number.

It is an amenable number.

38765855816 is a deficient number, since it is larger than the sum of its proper divisors (37080384184).

38765855816 is a wasteful number, since it uses less digits than its factorization.

38765855816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210684028 (or 210684024 counting only the distinct ones).

The product of its digits is 48384000, while the sum is 62.

The spelling of 38765855816 in words is "thirty-eight billion, seven hundred sixty-five million, eight hundred fifty-five thousand, eight hundred sixteen".