728082863 has 4 divisors (see below), whose sum is σ = 728343960. Its totient is φ = 727821768.

The previous prime is 728082857. The next prime is 728082893. The reversal of 728082863 is 368280827.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 728082863 - 2⁴ = 728082847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (728082853) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126320 + ... + 131957.

It is an arithmetic number, because the mean of its divisors is an integer number (182085990).

Almost surely, 2^728082863 is an apocalyptic number.

728082863 is a deficient number, since it is larger than the sum of its proper divisors (261097).

728082863 is a wasteful number, since it uses less digits than its factorization.

728082863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261096.

The product of its (nonzero) digits is 258048, while the sum is 44.

The square root of 728082863 is about 26983.0106363245. The cubic root of 728082863 is about 899.6224189802.

The spelling of 728082863 in words is "seven hundred twenty-eight million, eighty-two thousand, eight hundred sixty-three".