38406807810117 has 24 divisors (see below), whose sum is σ = 55512044565120. Its totient is φ = 25588138128000.

The previous prime is 38406807810061. The next prime is 38406807810157. The reversal of 38406807810117 is 71101870860483.

38406807810117 is a `hidden beast` number, since 38 + 406 + 80 + 7 + 8 + 10 + 117 = 666.

It is not a de Polignac number, because 38406807810117 - 2¹⁶ = 38406807744581 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38406807810157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 99821293 + ... + 100205309.

It is an arithmetic number, because the mean of its divisors is an integer number (2313001856880).

Almost surely, 2^{38406807810117} is an apocalyptic number.

It is an amenable number.

38406807810117 is a deficient number, since it is larger than the sum of its proper divisors (17105236755003).

38406807810117 is a wasteful number, since it uses less digits than its factorization.

38406807810117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391113 (or 391110 counting only the distinct ones).

The product of its (nonzero) digits is 1806336, while the sum is 54.

The spelling of 38406807810117 in words is "thirty-eight trillion, four hundred six billion, eight hundred seven million, eight hundred ten thousand, one hundred seventeen".