28028003055497 has 2 divisors, whose sum is σ = 28028003055498. Its totient is φ = 28028003055496.

The previous prime is 28028003055467. The next prime is 28028003055527. The reversal of 28028003055497 is 79455030082082.

It is a balanced prime because it is at equal distance from previous prime (28028003055467) and next prime (28028003055527).

It can be written as a sum of positive squares in only one way, i.e., 27550993201216 + 477009854281 = 5248904^2 + 690659^2 .

It is a cyclic number.

It is not a de Polignac number, because 28028003055497 - 2¹⁰ = 28028003054473 is a prime.

It is not a weakly prime, because it can be changed into another prime (28028003055467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14014001527748 + 14014001527749.

It is an arithmetic number, because the mean of its divisors is an integer number (14014001527749).

Almost surely, 2^{28028003055497} is an apocalyptic number.

It is an amenable number.

28028003055497 is a deficient number, since it is larger than the sum of its proper divisors (1).

28028003055497 is an equidigital number, since it uses as much as digits as its factorization.

28028003055497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4838400, while the sum is 53.

The spelling of 28028003055497 in words is "twenty-eight trillion, twenty-eight billion, three million, fifty-five thousand, four hundred ninety-seven".