38717703637768 has 32 divisors (see below), whose sum is σ = 76557771000000. Its totient is φ = 18306064722240.

The previous prime is 38717703637763. The next prime is 38717703637777. The reversal of 38717703637768 is 86773630771783.

It is a self number, because there is not a number n which added to its sum of digits gives 38717703637768.

It is not an unprimeable number, because it can be changed into a prime (38717703637763) 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, 235335268 + ... + 235499731.

It is an arithmetic number, because the mean of its divisors is an integer number (2392430343750).

Almost surely, 2^{38717703637768} is an apocalyptic number.

38717703637768 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

38717703637768 is a deficient number, since it is larger than the sum of its proper divisors (37840067362232).

38717703637768 is a wasteful number, since it uses less digits than its factorization.

38717703637768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470835565 (or 470835561 counting only the distinct ones).

The product of its (nonzero) digits is 1045529856, while the sum is 73.

The spelling of 38717703637768 in words is "thirty-eight trillion, seven hundred seventeen billion, seven hundred three million, six hundred thirty-seven thousand, seven hundred sixty-eight".