397573562568 has 128 divisors (see below), whose sum is σ = 1265486342400. Its totient is φ = 101238875136.

The previous prime is 397573562513. The next prime is 397573562579. The reversal of 397573562568 is 865265375793.

It is a super-2 number, since 2×397573562568² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 397573562499 and 397573562508.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3075271 + ... + 3201942.

It is an arithmetic number, because the mean of its divisors is an integer number (9886612050).

Almost surely, 2^397573562568 is an apocalyptic number.

It is an amenable number.

397573562568 is an abundant number, since it is smaller than the sum of its proper divisors (867912779832).

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

397573562568 is a wasteful number, since it uses less digits than its factorization.

397573562568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6277271 (or 6277267 counting only the distinct ones).

The product of its digits is 285768000, while the sum is 66.

The spelling of 397573562568 in words is "three hundred ninety-seven billion, five hundred seventy-three million, five hundred sixty-two thousand, five hundred sixty-eight".