728580086443 has 8 divisors (see below), whose sum is σ = 795579632640. Its totient is φ = 661708039080.

The previous prime is 728580086411. The next prime is 728580086459. The reversal of 728580086443 is 344680085827.

728580086443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 728580086443 - 2⁵ = 728580086411 is a prime.

It is a super-2 number, since 2×728580086443² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (728580083443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31862755 + ... + 31885612.

It is an arithmetic number, because the mean of its divisors is an integer number (99447454080).

Almost surely, 2^728580086443 is an apocalyptic number.

728580086443 is a deficient number, since it is larger than the sum of its proper divisors (66999546197).

728580086443 is a wasteful number, since it uses less digits than its factorization.

728580086443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63749417.

The product of its (nonzero) digits is 10321920, while the sum is 55.

The spelling of 728580086443 in words is "seven hundred twenty-eight billion, five hundred eighty million, eighty-six thousand, four hundred forty-three".