28825771945573 has 2 divisors, whose sum is σ = 28825771945574. Its totient is φ = 28825771945572.

The previous prime is 28825771945519. The next prime is 28825771945609. The reversal of 28825771945573 is 37554917752882.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28724047308324 + 101724637249 = 5359482^2 + 318943^2 .

It is a cyclic number.

It is not a de Polignac number, because 28825771945573 - 2¹³ = 28825771937381 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28825771945496 and 28825771945505.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28825771942573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14412885972786 + 14412885972787.

It is an arithmetic number, because the mean of its divisors is an integer number (14412885972787).

Almost surely, 2^{28825771945573} is an apocalyptic number.

It is an amenable number.

28825771945573 is a deficient number, since it is larger than the sum of its proper divisors (1).

28825771945573 is an equidigital number, since it uses as much as digits as its factorization.

28825771945573 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1185408000, while the sum is 73.

The spelling of 28825771945573 in words is "twenty-eight trillion, eight hundred twenty-five billion, seven hundred seventy-one million, nine hundred forty-five thousand, five hundred seventy-three".