28847311 has 2 divisors, whose sum is σ = 28847312. Its totient is φ = 28847310.

The previous prime is 28847297. The next prime is 28847353. The reversal of 28847311 is 11374882.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28847311 - 2⁵ = 28847279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28848311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14423655 + 14423656.

It is an arithmetic number, because the mean of its divisors is an integer number (14423656).

Almost surely, 2^28847311 is an apocalyptic number.

28847311 is a deficient number, since it is larger than the sum of its proper divisors (1).

28847311 is an equidigital number, since it uses as much as digits as its factorization.

28847311 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10752, while the sum is 34.

The square root of 28847311 is about 5370.9692793759. The cubic root of 28847311 is about 306.6915277314.

The spelling of 28847311 in words is "twenty-eight million, eight hundred forty-seven thousand, three hundred eleven".