728244885411172 has 48 divisors (see below), whose sum is σ = 1283979920267520. Its totient is φ = 361401265036800.

The previous prime is 728244885411151. The next prime is 728244885411179. The reversal of 728244885411172 is 271114588442827.

728244885411172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×728244885411172² (a number of 31 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (728244885411179) 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, 11880565228 + ... + 11880626524.

It is an arithmetic number, because the mean of its divisors is an integer number (26749581672240).

Almost surely, 2^{728244885411172} is an apocalyptic number.

It is an amenable number.

728244885411172 is a deficient number, since it is larger than the sum of its proper divisors (555735034856348).

728244885411172 is a wasteful number, since it uses less digits than its factorization.

728244885411172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92692 (or 92690 counting only the distinct ones).

The product of its digits is 64225280, while the sum is 64.

The spelling of 728244885411172 in words is "seven hundred twenty-eight trillion, two hundred forty-four billion, eight hundred eighty-five million, four hundred eleven thousand, one hundred seventy-two".