28030938563077 has 2 divisors, whose sum is σ = 28030938563078. Its totient is φ = 28030938563076.

The previous prime is 28030938562999. The next prime is 28030938563113. The reversal of 28030938563077 is 77036583903082.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27662403364036 + 368535199041 = 5259506^2 + 607071^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28030938563077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28030938567077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14015469281538 + 14015469281539.

It is an arithmetic number, because the mean of its divisors is an integer number (14015469281539).

Almost surely, 2^{28030938563077} is an apocalyptic number.

It is an amenable number.

28030938563077 is a deficient number, since it is larger than the sum of its proper divisors (1).

28030938563077 is an equidigital number, since it uses as much as digits as its factorization.

28030938563077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45722880, while the sum is 61.

The spelling of 28030938563077 in words is "twenty-eight trillion, thirty billion, nine hundred thirty-eight million, five hundred sixty-three thousand, seventy-seven".