394668700863 has 16 divisors (see below), whose sum is σ = 544402581600. Its totient is φ = 254024709120.

The previous prime is 394668700831. The next prime is 394668700873. The reversal of 394668700863 is 368007866493.

It is not a de Polignac number, because 394668700863 - 2⁵ = 394668700831 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 394668700797 and 394668700806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394668700873) 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 15 ways as a sum of consecutive naturals, for example, 1467123 + ... + 1715163.

It is an arithmetic number, because the mean of its divisors is an integer number (34025161350).

Almost surely, 2^394668700863 is an apocalyptic number.

394668700863 is a deficient number, since it is larger than the sum of its proper divisors (149733880737).

394668700863 is a wasteful number, since it uses less digits than its factorization.

394668700863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266362.

The product of its (nonzero) digits is 31352832, while the sum is 60.

The spelling of 394668700863 in words is "three hundred ninety-four billion, six hundred sixty-eight million, seven hundred thousand, eight hundred sixty-three".