394776164627 has 64 divisors (see below), whose sum is σ = 468930591360. Its totient is φ = 328954576896.

The previous prime is 394776164617. The next prime is 394776164647. The reversal of 394776164627 is 726461677493.

It is a cyclic number.

It is not a de Polignac number, because 394776164627 - 2³⁰ = 393702422803 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 394776164627.

It is not an unprimeable number, because it can be changed into a prime (394776164617) 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 63 ways as a sum of consecutive naturals, for example, 332582528 + ... + 332583714.

It is an arithmetic number, because the mean of its divisors is an integer number (7327040490).

Almost surely, 2^394776164627 is an apocalyptic number.

394776164627 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

394776164627 is a deficient number, since it is larger than the sum of its proper divisors (74154426733).

394776164627 is a wasteful number, since it uses less digits than its factorization.

394776164627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1800.

The product of its digits is 64012032, while the sum is 62.

The spelling of 394776164627 in words is "three hundred ninety-four billion, seven hundred seventy-six million, one hundred sixty-four thousand, six hundred twenty-seven".