28819077113 has 2 divisors, whose sum is σ = 28819077114. Its totient is φ = 28819077112.

The previous prime is 28819077103. The next prime is 28819077121. The reversal of 28819077113 is 31177091882.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27356167609 + 1462909504 = 165397^2 + 38248^2 .

It is a cyclic number.

It is not a de Polignac number, because 28819077113 - 2¹⁴ = 28819060729 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (28819077103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14409538556 + 14409538557.

It is an arithmetic number, because the mean of its divisors is an integer number (14409538557).

Almost surely, 2^28819077113 is an apocalyptic number.

It is an amenable number.

28819077113 is a deficient number, since it is larger than the sum of its proper divisors (1).

28819077113 is an equidigital number, since it uses as much as digits as its factorization.

28819077113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 169344, while the sum is 47.

The spelling of 28819077113 in words is "twenty-eight billion, eight hundred nineteen million, seventy-seven thousand, one hundred thirteen".