38784457113 has 8 divisors (see below), whose sum is σ = 52293650400. Its totient is φ = 25565784288.

The previous prime is 38784457111. The next prime is 38784457133. The reversal of 38784457113 is 31175448783.

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

It is not a de Polignac number, because 38784457113 - 2¹ = 38784457111 is a prime.

It is a super-2 number, since 2×38784457113² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (38784457111) 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, 72629803 + ... + 72630336.

It is an arithmetic number, because the mean of its divisors is an integer number (6536706300).

Almost surely, 2^38784457113 is an apocalyptic number.

It is an amenable number.

38784457113 is a deficient number, since it is larger than the sum of its proper divisors (13509193287).

38784457113 is a wasteful number, since it uses less digits than its factorization.

38784457113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145260231.

The product of its digits is 2257920, while the sum is 51.

The spelling of 38784457113 in words is "thirty-eight billion, seven hundred eighty-four million, four hundred fifty-seven thousand, one hundred thirteen".