28128356083 has 2 divisors, whose sum is σ = 28128356084. Its totient is φ = 28128356082.

The previous prime is 28128356041. The next prime is 28128356099. The reversal of 28128356083 is 38065382182.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28128356083 is a prime.

It is not a weakly prime, because it can be changed into another prime (28128356033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14064178041 + 14064178042.

It is an arithmetic number, because the mean of its divisors is an integer number (14064178042).

Almost surely, 2^28128356083 is an apocalyptic number.

28128356083 is a deficient number, since it is larger than the sum of its proper divisors (1).

28128356083 is an equidigital number, since it uses as much as digits as its factorization.

28128356083 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 552960, while the sum is 46.

The spelling of 28128356083 in words is "twenty-eight billion, one hundred twenty-eight million, three hundred fifty-six thousand, eighty-three".