728355669079 has 16 divisors (see below), whose sum is σ = 731650177440. Its totient is φ = 725072051200.

The previous prime is 728355669073. The next prime is 728355669127. The reversal of 728355669079 is 970966553827.

It is a cyclic number.

It is not a de Polignac number, because 728355669079 - 2³ = 728355669071 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 (728355669071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 468998367 + ... + 468999919.

It is an arithmetic number, because the mean of its divisors is an integer number (45728136090).

Almost surely, 2^728355669079 is an apocalyptic number.

728355669079 is a deficient number, since it is larger than the sum of its proper divisors (3294508361).

728355669079 is a wasteful number, since it uses less digits than its factorization.

728355669079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3890.

The product of its (nonzero) digits is 171460800, while the sum is 67.

The spelling of 728355669079 in words is "seven hundred twenty-eight billion, three hundred fifty-five million, six hundred sixty-nine thousand, seventy-nine".