728896178468 has 24 divisors (see below), whose sum is σ = 1282192329600. Its totient is φ = 362560361760.

The previous prime is 728896178453. The next prime is 728896178477. The reversal of 728896178468 is 864871698827.

It is a junction number, because it is equal to n+sod(n) for n = 728896178395 and 728896178404.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4046 + ... + 1207397.

It is an arithmetic number, because the mean of its divisors is an integer number (53424680400).

Almost surely, 2^728896178468 is an apocalyptic number.

It is an amenable number.

728896178468 is a deficient number, since it is larger than the sum of its proper divisors (553296151132).

728896178468 is a wasteful number, since it uses less digits than its factorization.

728896178468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1212227 (or 1212225 counting only the distinct ones).

The product of its digits is 520224768, while the sum is 74.

The spelling of 728896178468 in words is "seven hundred twenty-eight billion, eight hundred ninety-six million, one hundred seventy-eight thousand, four hundred sixty-eight".