394163416797 has 8 divisors (see below), whose sum is σ = 556466000256. Its totient is φ = 247318222272.

The previous prime is 394163416789. The next prime is 394163416813. The reversal of 394163416797 is 797614361493.

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

It is not a de Polignac number, because 394163416797 - 2³ = 394163416789 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 394163416797.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394163416597) 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, 3864347173 + ... + 3864347274.

It is an arithmetic number, because the mean of its divisors is an integer number (69558250032).

Almost surely, 2^394163416797 is an apocalyptic number.

It is an amenable number.

394163416797 is a deficient number, since it is larger than the sum of its proper divisors (162302583459).

394163416797 is a wasteful number, since it uses less digits than its factorization.

394163416797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7728694467.

The product of its digits is 20575296, while the sum is 60.

The spelling of 394163416797 in words is "three hundred ninety-four billion, one hundred sixty-three million, four hundred sixteen thousand, seven hundred ninety-seven".