394564363377 has 16 divisors (see below), whose sum is σ = 526771436160. Its totient is φ = 262700226432.

The previous prime is 394564363339. The next prime is 394564363393. The reversal of 394564363377 is 773363465493.

It is not a de Polignac number, because 394564363377 - 2³⁵ = 360204625009 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 394564363377.

It is not an unprimeable number, because it can be changed into a prime (394564363177) 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, 15749253 + ... + 15774285.

It is an arithmetic number, because the mean of its divisors is an integer number (32923214760).

Almost surely, 2^394564363377 is an apocalyptic number.

It is an amenable number.

394564363377 is a deficient number, since it is larger than the sum of its proper divisors (132207072783).

394564363377 is a wasteful number, since it uses less digits than its factorization.

394564363377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31672.

The product of its digits is 102876480, while the sum is 60.

The spelling of 394564363377 in words is "three hundred ninety-four billion, five hundred sixty-four million, three hundred sixty-three thousand, three hundred seventy-seven".