28354028099 has 2 divisors, whose sum is σ = 28354028100. Its totient is φ = 28354028098.

The previous prime is 28354028089. The next prime is 28354028123. The reversal of 28354028099 is 99082045382.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28354028099 - 2²⁸ = 28085592643 is a prime.

It is not a weakly prime, because it can be changed into another prime (28354028009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14177014049 + 14177014050.

It is an arithmetic number, because the mean of its divisors is an integer number (14177014050).

Almost surely, 2^28354028099 is an apocalyptic number.

28354028099 is a deficient number, since it is larger than the sum of its proper divisors (1).

28354028099 is an equidigital number, since it uses as much as digits as its factorization.

28354028099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1244160, while the sum is 50.

The spelling of 28354028099 in words is "twenty-eight billion, three hundred fifty-four million, twenty-eight thousand, ninety-nine".