28059551799 has 24 divisors (see below), whose sum is σ = 39490039680. Its totient is φ = 17719225392.

The previous prime is 28059551797. The next prime is 28059551803. The reversal of 28059551799 is 99715595082.

It is not a de Polignac number, because 28059551799 - 2¹ = 28059551797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28059551791) 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 23 ways as a sum of consecutive naturals, for example, 77632 + ... + 249290.

It is an arithmetic number, because the mean of its divisors is an integer number (1645418320).

Almost surely, 2^28059551799 is an apocalyptic number.

28059551799 is a deficient number, since it is larger than the sum of its proper divisors (11430487881).

28059551799 is a wasteful number, since it uses less digits than its factorization.

28059551799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171811 (or 171788 counting only the distinct ones).

The product of its (nonzero) digits is 10206000, while the sum is 60.

The spelling of 28059551799 in words is "twenty-eight billion, fifty-nine million, five hundred fifty-one thousand, seven hundred ninety-nine".