28611230726 has 32 divisors (see below), whose sum is σ = 47888457120. Its totient is φ = 12736399104.

The previous prime is 28611230723. The next prime is 28611230789. The reversal of 28611230726 is 62703211682.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 28611230726.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28611230723) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 94655 + ... + 257258.

It is an arithmetic number, because the mean of its divisors is an integer number (1496514285).

Almost surely, 2^28611230726 is an apocalyptic number.

28611230726 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

28611230726 is a deficient number, since it is larger than the sum of its proper divisors (19277226394).

28611230726 is a wasteful number, since it uses less digits than its factorization.

28611230726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352040.

The product of its (nonzero) digits is 48384, while the sum is 38.

The spelling of 28611230726 in words is "twenty-eight billion, six hundred eleven million, two hundred thirty thousand, seven hundred twenty-six".