394715516808 has 32 divisors (see below), whose sum is σ = 987667567200. Its totient is φ = 131454668928.

The previous prime is 394715516791. The next prime is 394715516809. The reversal of 394715516808 is 808615517493.

It is not an unprimeable number, because it can be changed into a prime (394715516809) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7295613 + ... + 7349516.

It is an arithmetic number, because the mean of its divisors is an integer number (30864611475).

Almost surely, 2^394715516808 is an apocalyptic number.

It is an amenable number.

394715516808 is an abundant number, since it is smaller than the sum of its proper divisors (592952050392).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

394715516808 is a wasteful number, since it uses less digits than its factorization.

394715516808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14646261 (or 14646257 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 57.

The spelling of 394715516808 in words is "three hundred ninety-four billion, seven hundred fifteen million, five hundred sixteen thousand, eight hundred eight".