394800124817 has 16 divisors (see below), whose sum is σ = 463962546432. Its totient is φ = 328891073280.

The previous prime is 394800124811. The next prime is 394800124847. The reversal of 394800124817 is 718421008493.

It is not a de Polignac number, because 394800124817 - 2¹⁸ = 394799862673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (394800124811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2539748 + ... + 2690709.

It is an arithmetic number, because the mean of its divisors is an integer number (28997659152).

Almost surely, 2^394800124817 is an apocalyptic number.

It is an amenable number.

394800124817 is a deficient number, since it is larger than the sum of its proper divisors (69162421615).

394800124817 is a wasteful number, since it uses less digits than its factorization.

394800124817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5230768.

The product of its (nonzero) digits is 387072, while the sum is 47.

The spelling of 394800124817 in words is "three hundred ninety-four billion, eight hundred million, one hundred twenty-four thousand, eight hundred seventeen".