28060622897 has 2 divisors, whose sum is σ = 28060622898. Its totient is φ = 28060622896.

The previous prime is 28060622879. The next prime is 28060622899. The reversal of 28060622897 is 79822606082.

Together with previous prime (28060622879) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15725410801 + 12335212096 = 125401^2 + 111064^2 .

It is a cyclic number.

It is not a de Polignac number, because 28060622897 - 2¹⁰ = 28060621873 is a prime.

Together with 28060622899, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (28060622899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14030311448 + 14030311449.

It is an arithmetic number, because the mean of its divisors is an integer number (14030311449).

Almost surely, 2^28060622897 is an apocalyptic number.

It is an amenable number.

28060622897 is a deficient number, since it is larger than the sum of its proper divisors (1).

28060622897 is an equidigital number, since it uses as much as digits as its factorization.

28060622897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1161216, while the sum is 50.

The spelling of 28060622897 in words is "twenty-eight billion, sixty million, six hundred twenty-two thousand, eight hundred ninety-seven".