728873863246 has 8 divisors (see below), whose sum is σ = 1093317000984. Its totient is φ = 364434862920.

The previous prime is 728873863243. The next prime is 728873863271. The reversal of 728873863246 is 642368378827.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (728873863243) 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, 548245 + ... + 1326016.

It is an arithmetic number, because the mean of its divisors is an integer number (136664625123).

Almost surely, 2^728873863246 is an apocalyptic number.

728873863246 is a deficient number, since it is larger than the sum of its proper divisors (364443137738).

728873863246 is a wasteful number, since it uses less digits than its factorization.

728873863246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2068706.

The product of its digits is 130056192, while the sum is 64.

The spelling of 728873863246 in words is "seven hundred twenty-eight billion, eight hundred seventy-three million, eight hundred sixty-three thousand, two hundred forty-six".