38345788817 has 8 divisors (see below), whose sum is σ = 43998357312. Its totient is φ = 32736870000.

The previous prime is 38345788813. The next prime is 38345788879. The reversal of 38345788817 is 71888754383.

38345788817 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 38345788817 - 2² = 38345788813 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38345788817.

It is not an unprimeable number, because it can be changed into a prime (38345788813) 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, 10910534 + ... + 10914047.

It is an arithmetic number, because the mean of its divisors is an integer number (5499794664).

Almost surely, 2^38345788817 is an apocalyptic number.

It is an amenable number.

38345788817 is a deficient number, since it is larger than the sum of its proper divisors (5652568495).

38345788817 is a wasteful number, since it uses less digits than its factorization.

38345788817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21824839.

The product of its digits is 36126720, while the sum is 62.

It can be divided in two parts, 383457 and 88817, that added together give a palindrome (472274).

The spelling of 38345788817 in words is "thirty-eight billion, three hundred forty-five million, seven hundred eighty-eight thousand, eight hundred seventeen".