397115897328 has 60 divisors (see below), whose sum is σ = 1149696180360. Its totient is φ = 127807413888.

The previous prime is 397115897323. The next prime is 397115897351. The reversal of 397115897328 is 823798511793.

397115897328 is a `hidden beast` number, since 3 + 9 + 7 + 11 + 589 + 7 + 32 + 8 = 666.

397115897328 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397115897323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47543226 + ... + 47551577.

It is an arithmetic number, because the mean of its divisors is an integer number (19161603006).

Almost surely, 2^397115897328 is an apocalyptic number.

It is an amenable number.

397115897328 is an abundant number, since it is smaller than the sum of its proper divisors (752580283032).

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

397115897328 is a wasteful number, since it uses less digits than its factorization.

397115897328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95094846 (or 95094837 counting only the distinct ones).

The product of its digits is 22861440, while the sum is 63.

The spelling of 397115897328 in words is "three hundred ninety-seven billion, one hundred fifteen million, eight hundred ninety-seven thousand, three hundred twenty-eight".