728825716719 has 6 divisors (see below), whose sum is σ = 1052748257496. Its totient is φ = 485883811140.

The previous prime is 728825716603. The next prime is 728825716741. The reversal of 728825716719 is 917617528827.

It is not a de Polignac number, because 728825716719 - 2⁹ = 728825716207 is a prime.

It is a super-2 number, since 2×728825716719² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (728825756719) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 40490317587 + ... + 40490317604.

It is an arithmetic number, because the mean of its divisors is an integer number (175458042916).

Almost surely, 2^728825716719 is an apocalyptic number.

728825716719 is a deficient number, since it is larger than the sum of its proper divisors (323922540777).

728825716719 is a wasteful number, since it uses less digits than its factorization.

728825716719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80980635197 (or 80980635194 counting only the distinct ones).

The product of its digits is 23708160, while the sum is 63.

The spelling of 728825716719 in words is "seven hundred twenty-eight billion, eight hundred twenty-five million, seven hundred sixteen thousand, seven hundred nineteen".