28808027859 has 32 divisors (see below), whose sum is σ = 43307470080. Its totient is φ = 16910425728.

The previous prime is 28808027819. The next prime is 28808027879. The reversal of 28808027859 is 95872080882.

It is not a de Polignac number, because 28808027859 - 2¹¹ = 28808025811 is a prime.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 28808027799 and 28808027808.

It is not an unprimeable number, because it can be changed into a prime (28808027819) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59569 + ... + 247314.

It is an arithmetic number, because the mean of its divisors is an integer number (1353358440).

Almost surely, 2^28808027859 is an apocalyptic number.

28808027859 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

28808027859 is a deficient number, since it is larger than the sum of its proper divisors (14499442221).

28808027859 is a wasteful number, since it uses less digits than its factorization.

28808027859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307011.

The product of its (nonzero) digits is 5160960, while the sum is 57.

The spelling of 28808027859 in words is "twenty-eight billion, eight hundred eight million, twenty-seven thousand, eight hundred fifty-nine".