728598587 has 2 divisors, whose sum is σ = 728598588. Its totient is φ = 728598586.

The previous prime is 728598569. The next prime is 728598599. The reversal of 728598587 is 785895827.

It is a strong prime.

It is an emirp because it is prime and its reverse (785895827) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 728598587 - 2¹⁰ = 728597563 is a prime.

It is not a weakly prime, because it can be changed into another prime (728598517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 364299293 + 364299294.

It is an arithmetic number, because the mean of its divisors is an integer number (364299294).

Almost surely, 2^728598587 is an apocalyptic number.

728598587 is a deficient number, since it is larger than the sum of its proper divisors (1).

728598587 is an equidigital number, since it uses as much as digits as its factorization.

728598587 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11289600, while the sum is 59.

The square root of 728598587 is about 26992.5654023474. The cubic root of 728598587 is about 899.8347791358.

The spelling of 728598587 in words is "seven hundred twenty-eight million, five hundred ninety-eight thousand, five hundred eighty-seven".