397066476608 has 56 divisors (see below), whose sum is σ = 802878922560. Its totient is φ = 194801656320.

The previous prime is 397066476593. The next prime is 397066476613. The reversal of 397066476608 is 806674660793.

It is a super-2 number, since 2×397066476608² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 442223 + ... + 994833.

Almost surely, 2^397066476608 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 397066476608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (401439461280).

397066476608 is an abundant number, since it is smaller than the sum of its proper divisors (405812445952).

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

397066476608 is a wasteful number, since it uses less digits than its factorization.

397066476608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552835 (or 552825 counting only the distinct ones).

The product of its (nonzero) digits is 54867456, while the sum is 62.

The spelling of 397066476608 in words is "three hundred ninety-seven billion, sixty-six million, four hundred seventy-six thousand, six hundred eight".