728667268607 has 8 divisors (see below), whose sum is σ = 728938638480. Its totient is φ = 728395960320.

The previous prime is 728667268579. The next prime is 728667268627. The reversal of 728667268607 is 706862766827.

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 728667268607 - 2²⁰ = 728666220031 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 (728667268627) 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, 40651007 + ... + 40668927.

It is an arithmetic number, because the mean of its divisors is an integer number (91117329810).

Almost surely, 2^728667268607 is an apocalyptic number.

728667268607 is a deficient number, since it is larger than the sum of its proper divisors (271369873).

728667268607 is a wasteful number, since it uses less digits than its factorization.

728667268607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30793.

The product of its (nonzero) digits is 113799168, while the sum is 65.

The spelling of 728667268607 in words is "seven hundred twenty-eight billion, six hundred sixty-seven million, two hundred sixty-eight thousand, six hundred seven".