28820759101 has 2 divisors, whose sum is σ = 28820759102. Its totient is φ = 28820759100.

The previous prime is 28820759089. The next prime is 28820759111. The reversal of 28820759101 is 10195702882.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28535993476 + 284765625 = 168926^2 + 16875^2 .

It is a cyclic number.

It is not a de Polignac number, because 28820759101 - 2⁵ = 28820759069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28820759111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14410379550 + 14410379551.

It is an arithmetic number, because the mean of its divisors is an integer number (14410379551).

Almost surely, 2^28820759101 is an apocalyptic number.

It is an amenable number.

28820759101 is a deficient number, since it is larger than the sum of its proper divisors (1).

28820759101 is an equidigital number, since it uses as much as digits as its factorization.

28820759101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80640, while the sum is 43.

The spelling of 28820759101 in words is "twenty-eight billion, eight hundred twenty million, seven hundred fifty-nine thousand, one hundred one".