28830287111 has 2 divisors, whose sum is σ = 28830287112. Its totient is φ = 28830287110.

The previous prime is 28830287081. The next prime is 28830287149. The reversal of 28830287111 is 11178203882.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28830287111 - 2¹⁴ = 28830270727 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28830281111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14415143555 + 14415143556.

It is an arithmetic number, because the mean of its divisors is an integer number (14415143556).

Almost surely, 2^28830287111 is an apocalyptic number.

28830287111 is a deficient number, since it is larger than the sum of its proper divisors (1).

28830287111 is an equidigital number, since it uses as much as digits as its factorization.

28830287111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43008, while the sum is 41.

The spelling of 28830287111 in words is "twenty-eight billion, eight hundred thirty million, two hundred eighty-seven thousand, one hundred eleven".