28303072726 has 16 divisors (see below), whose sum is σ = 43853609088. Its totient is φ = 13685817600.

The previous prime is 28303072691. The next prime is 28303072741. The reversal of 28303072726 is 62727030382.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60315 + ... + 245446.

It is an arithmetic number, because the mean of its divisors is an integer number (2740850568).

Almost surely, 2^28303072726 is an apocalyptic number.

28303072726 is a deficient number, since it is larger than the sum of its proper divisors (15550536362).

28303072726 is a wasteful number, since it uses less digits than its factorization.

28303072726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307287.

The product of its (nonzero) digits is 169344, while the sum is 40.

The spelling of 28303072726 in words is "twenty-eight billion, three hundred three million, seventy-two thousand, seven hundred twenty-six".