28928365726 has 8 divisors (see below), whose sum is σ = 46730436984. Its totient is φ = 13351553400.

The previous prime is 28928365681. The next prime is 28928365757. The reversal of 28928365726 is 62756382982.

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 an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 556314700 + ... + 556314751.

It is an arithmetic number, because the mean of its divisors is an integer number (5841304623).

Almost surely, 2^28928365726 is an apocalyptic number.

28928365726 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

28928365726 is a deficient number, since it is larger than the sum of its proper divisors (17802071258).

28928365726 is a wasteful number, since it uses less digits than its factorization.

28928365726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112629466.

The product of its digits is 17418240, while the sum is 58.

The spelling of 28928365726 in words is "twenty-eight billion, nine hundred twenty-eight million, three hundred sixty-five thousand, seven hundred twenty-six".