397568080900 has 81 divisors (see below), whose sum is σ = 916703488029. Its totient is φ = 149632335360.

The previous prime is 397568080867. The next prime is 397568080927. The reversal of 397568080900 is 9080865793.

It is a happy number.

The square root of 397568080900 is 630530.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 13 ways, for example, as 234842975236 + 162725105664 = 484606^2 + 403392^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 107188246 + ... + 107191954.

Almost surely, 2^397568080900 is an apocalyptic number.

397568080900 is the 630530-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 397568080900

397568080900 is an abundant number, since it is smaller than the sum of its proper divisors (519135407129).

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

397568080900 is an equidigital number, since it uses as much as digits as its factorization.

397568080900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7466 (or 3733 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 55.

The spelling of 397568080900 in words is "three hundred ninety-seven billion, five hundred sixty-eight million, eighty thousand, nine hundred".