394566864796 has 24 divisors (see below), whose sum is σ = 749034583920. Its totient is φ = 180778526592.

The previous prime is 394566864781. The next prime is 394566864821. The reversal of 394566864796 is 697468665493.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27685666 + ... + 27699913.

It is an arithmetic number, because the mean of its divisors is an integer number (31209774330).

Almost surely, 2^394566864796 is an apocalyptic number.

It is an amenable number.

394566864796 is a deficient number, since it is larger than the sum of its proper divisors (354467719124).

394566864796 is a wasteful number, since it uses less digits than its factorization.

394566864796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55385733 (or 55385731 counting only the distinct ones).

The product of its digits is 1410877440, while the sum is 73.

The spelling of 394566864796 in words is "three hundred ninety-four billion, five hundred sixty-six million, eight hundred sixty-four thousand, seven hundred ninety-six".