397005737660 has 24 divisors (see below), whose sum is σ = 952813770720. Its totient is φ = 136116252864.

The previous prime is 397005737629. The next prime is 397005737663. The reversal of 397005737660 is 66737500793.

It is a super-2 number, since 2×397005737660² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397005737663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1417877495 + ... + 1417877774.

It is an arithmetic number, because the mean of its divisors is an integer number (39700573780).

Almost surely, 2^397005737660 is an apocalyptic number.

It is an amenable number.

397005737660 is an abundant number, since it is smaller than the sum of its proper divisors (555808033060).

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

397005737660 is a wasteful number, since it uses less digits than its factorization.

397005737660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2835755285 (or 2835755283 counting only the distinct ones).

The product of its (nonzero) digits is 5000940, while the sum is 53.

The spelling of 397005737660 in words is "three hundred ninety-seven billion, five million, seven hundred thirty-seven thousand, six hundred sixty".