28030277543 has 2 divisors, whose sum is σ = 28030277544. Its totient is φ = 28030277542.

The previous prime is 28030277477. The next prime is 28030277549. The reversal of 28030277543 is 34577203082.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28030277543 - 2⁸ = 28030277287 is a prime.

It is a super-2 number, since 2×28030277543² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 28030277543.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28030277549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14015138771 + 14015138772.

It is an arithmetic number, because the mean of its divisors is an integer number (14015138772).

Almost surely, 2^28030277543 is an apocalyptic number.

28030277543 is a deficient number, since it is larger than the sum of its proper divisors (1).

28030277543 is an equidigital number, since it uses as much as digits as its factorization.

28030277543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 282240, while the sum is 41.

The spelling of 28030277543 in words is "twenty-eight billion, thirty million, two hundred seventy-seven thousand, five hundred forty-three".