397580885668 has 12 divisors (see below), whose sum is σ = 732385842160. Its totient is φ = 188327787912.

The previous prime is 397580885659. The next prime is 397580885731. The reversal of 397580885668 is 866588085793.

It is a self number, because there is not a number n which added to its sum of digits gives 397580885668.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2615663646 + ... + 2615663797.

Almost surely, 2^397580885668 is an apocalyptic number.

397580885668 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

397580885668 is a deficient number, since it is larger than the sum of its proper divisors (334804956492).

397580885668 is a wasteful number, since it uses less digits than its factorization.

397580885668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5231327466 (or 5231327464 counting only the distinct ones).

The product of its (nonzero) digits is 696729600, while the sum is 73.

The spelling of 397580885668 in words is "three hundred ninety-seven billion, five hundred eighty million, eight hundred eighty-five thousand, six hundred sixty-eight".