28300275077 has 2 divisors, whose sum is σ = 28300275078. Its totient is φ = 28300275076.

The previous prime is 28300275011. The next prime is 28300275109. The reversal of 28300275077 is 77057200382.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24757763716 + 3542511361 = 157346^2 + 59519^2 .

It is a cyclic number.

It is not a de Polignac number, because 28300275077 - 2¹⁰ = 28300274053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28300275677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14150137538 + 14150137539.

It is an arithmetic number, because the mean of its divisors is an integer number (14150137539).

Almost surely, 2^28300275077 is an apocalyptic number.

It is an amenable number.

28300275077 is a deficient number, since it is larger than the sum of its proper divisors (1).

28300275077 is an equidigital number, since it uses as much as digits as its factorization.

28300275077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 164640, while the sum is 41.

The spelling of 28300275077 in words is "twenty-eight billion, three hundred million, two hundred seventy-five thousand, seventy-seven".