397300545608 has 108 divisors (see below), whose sum is σ = 810589591035. Its totient is φ = 182531014272.

The previous prime is 397300545547. The next prime is 397300545617. The reversal of 397300545608 is 806545003793.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 5 ways, for example, as 162523472164 + 234777073444 = 403142^2 + 484538^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=445702.

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, 1253313866 + ... + 1253314182.

Almost surely, 2^397300545608 is an apocalyptic number.

397300545608 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

397300545608 is an abundant number, since it is smaller than the sum of its proper divisors (413289045427).

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

397300545608 is an equidigital number, since it uses as much as digits as its factorization.

397300545608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 752 (or 375 counting only the distinct ones).

The product of its (nonzero) digits is 2721600, while the sum is 50.

Multiplying 397300545608 by its sum of digits (50), we get a square (19865027280400 = 4457020²).

The spelling of 397300545608 in words is "three hundred ninety-seven billion, three hundred million, five hundred forty-five thousand, six hundred eight".