28803858553 has 2 divisors, whose sum is σ = 28803858554. Its totient is φ = 28803858552.

The previous prime is 28803858541. The next prime is 28803858623. The reversal of 28803858553 is 35585830882.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21050527744 + 7753330809 = 145088^2 + 88053^2 .

It is a cyclic number.

It is not a de Polignac number, because 28803858553 - 2⁵ = 28803858521 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28803858494 and 28803858503.

It is not a weakly prime, because it can be changed into another prime (28803858053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14401929276 + 14401929277.

It is an arithmetic number, because the mean of its divisors is an integer number (14401929277).

Almost surely, 2^28803858553 is an apocalyptic number.

It is an amenable number.

28803858553 is a deficient number, since it is larger than the sum of its proper divisors (1).

28803858553 is an equidigital number, since it uses as much as digits as its factorization.

28803858553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216000, while the sum is 55.

The spelling of 28803858553 in words is "twenty-eight billion, eight hundred three million, eight hundred fifty-eight thousand, five hundred fifty-three".