3894758984117 has 4 divisors (see below), whose sum is σ = 3897302917056. Its totient is φ = 3892215051180.

The previous prime is 3894758984113. The next prime is 3894758984131. The reversal of 3894758984117 is 7114898574983.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3894758984117 - 2² = 3894758984113 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3894758984113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1271964173 + ... + 1271967234.

It is an arithmetic number, because the mean of its divisors is an integer number (974325729264).

Almost surely, 2^{3894758984117} is an apocalyptic number.

It is an amenable number.

3894758984117 is a deficient number, since it is larger than the sum of its proper divisors (2543932939).

3894758984117 is a wasteful number, since it uses less digits than its factorization.

3894758984117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2543932938.

The product of its digits is 487710720, while the sum is 74.

The spelling of 3894758984117 in words is "three trillion, eight hundred ninety-four billion, seven hundred fifty-eight million, nine hundred eighty-four thousand, one hundred seventeen".