728477148355617 has 8 divisors (see below), whose sum is σ = 971303002964224. Its totient is φ = 485651362992048.

The previous prime is 728477148355609. The next prime is 728477148355711. The reversal of 728477148355617 is 716553841774827.

728477148355617 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 728477148355617 - 2³ = 728477148355609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (728477148355417) 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, 16887603 + ... + 41739015.

It is an arithmetic number, because the mean of its divisors is an integer number (121412875370528).

Almost surely, 2^{728477148355617} is an apocalyptic number.

It is an amenable number.

728477148355617 is a deficient number, since it is larger than the sum of its proper divisors (242825854608607).

728477148355617 is a wasteful number, since it uses less digits than its factorization.

728477148355617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34622519.

The product of its digits is 2212761600, while the sum is 75.

The spelling of 728477148355617 in words is "seven hundred twenty-eight trillion, four hundred seventy-seven billion, one hundred forty-eight million, three hundred fifty-five thousand, six hundred seventeen".