728080079999 has 4 divisors (see below), whose sum is σ = 728532586320. Its totient is φ = 727627573680.

The previous prime is 728080079977. The next prime is 728080080011. The reversal of 728080079999 is 999970080827.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-728080079999 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 (728080079399) 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, 226250747 + ... + 226253964.

It is an arithmetic number, because the mean of its divisors is an integer number (182133146580).

Almost surely, 2^728080079999 is an apocalyptic number.

728080079999 is a deficient number, since it is larger than the sum of its proper divisors (452506321).

728080079999 is a wasteful number, since it uses less digits than its factorization.

728080079999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452506320.

The product of its (nonzero) digits is 41150592, while the sum is 68.

The spelling of 728080079999 in words is "seven hundred twenty-eight billion, eighty million, seventy-nine thousand, nine hundred ninety-nine".