38817785963 has 8 divisors (see below), whose sum is σ = 42409605936. Its totient is φ = 35236454400.

The previous prime is 38817785921. The next prime is 38817785977. The reversal of 38817785963 is 36958771883.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 38817785963 - 2⁶ = 38817785899 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38817785963.

It is not an unprimeable number, because it can be changed into a prime (38817785983) 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, 2614358 + ... + 2629163.

It is an arithmetic number, because the mean of its divisors is an integer number (5301200742).

Almost surely, 2^38817785963 is an apocalyptic number.

38817785963 is a deficient number, since it is larger than the sum of its proper divisors (3591819973).

38817785963 is a wasteful number, since it uses less digits than its factorization.

38817785963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5244205.

The product of its digits is 60963840, while the sum is 65.

The spelling of 38817785963 in words is "thirty-eight billion, eight hundred seventeen million, seven hundred eighty-five thousand, nine hundred sixty-three".