28028003055539 has 2 divisors, whose sum is σ = 28028003055540. Its totient is φ = 28028003055538.

The previous prime is 28028003055527. The next prime is 28028003055553. The reversal of 28028003055539 is 93555030082082.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28028003055539 - 2³⁶ = 27959283578803 is a prime.

It is not a weakly prime, because it can be changed into another prime (28028003055599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14014001527769 + 14014001527770.

It is an arithmetic number, because the mean of its divisors is an integer number (14014001527770).

Almost surely, 2^{28028003055539} is an apocalyptic number.

28028003055539 is a deficient number, since it is larger than the sum of its proper divisors (1).

28028003055539 is an equidigital number, since it uses as much as digits as its factorization.

28028003055539 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592000, while the sum is 50.

The spelling of 28028003055539 in words is "twenty-eight trillion, twenty-eight billion, three million, fifty-five thousand, five hundred thirty-nine".