728468864827 has 8 divisors (see below), whose sum is σ = 794699484480. Its totient is φ = 662239274760.

The previous prime is 728468864819. The next prime is 728468864831.

728468864827 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 728468864827 - 2³ = 728468864819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (728468864857) 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, 2644324 + ... + 2906782.

It is an arithmetic number, because the mean of its divisors is an integer number (99337435560).

Almost surely, 2^728468864827 is an apocalyptic number.

728468864827 is a deficient number, since it is larger than the sum of its proper divisors (66230619653).

728468864827 is a wasteful number, since it uses less digits than its factorization.

728468864827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514793.

The product of its digits is 462422016, while the sum is 70.

The spelling of 728468864827 in words is "seven hundred twenty-eight billion, four hundred sixty-eight million, eight hundred sixty-four thousand, eight hundred twenty-seven".