597668813 has 16 divisors (see below), whose sum is σ = 730404864. Its totient is φ = 477369600.

The previous prime is 597668803. The next prime is 597668821. The reversal of 597668813 is 318866795.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 597668813 - 2¹⁶ = 597603277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (597668803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12845 + ... + 36882.

It is an arithmetic number, because the mean of its divisors is an integer number (45650304).

Almost surely, 2^597668813 is an apocalyptic number.

It is an amenable number.

597668813 is a deficient number, since it is larger than the sum of its proper divisors (132736051).

597668813 is a wasteful number, since it uses less digits than its factorization.

597668813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49852.

The product of its digits is 2177280, while the sum is 53.

The square root of 597668813 is about 24447.2659616571. The cubic root of 597668813 is about 842.3389146307.

The spelling of 597668813 in words is "five hundred ninety-seven million, six hundred sixty-eight thousand, eight hundred thirteen".