397297975328 has 24 divisors (see below), whose sum is σ = 782217187920. Its totient is φ = 198639641920.

The previous prime is 397297975313. The next prime is 397297975369. The reversal of 397297975328 is 823579792793.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 425903 + ... + 987921.

It is an arithmetic number, because the mean of its divisors is an integer number (32592382830).

Almost surely, 2^397297975328 is an apocalyptic number.

It is an amenable number.

397297975328 is a deficient number, since it is larger than the sum of its proper divisors (384919212592).

397297975328 is a wasteful number, since it uses less digits than its factorization.

397297975328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584120 (or 584112 counting only the distinct ones).

The product of its digits is 360067680, while the sum is 71.

The spelling of 397297975328 in words is "three hundred ninety-seven billion, two hundred ninety-seven million, nine hundred seventy-five thousand, three hundred twenty-eight".