28301711 has 2 divisors, whose sum is σ = 28301712. Its totient is φ = 28301710.

The previous prime is 28301701. The next prime is 28301717. The reversal of 28301711 is 11710382.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28301711 - 2²² = 24107407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28301717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14150855 + 14150856.

It is an arithmetic number, because the mean of its divisors is an integer number (14150856).

Almost surely, 2^28301711 is an apocalyptic number.

28301711 is a deficient number, since it is larger than the sum of its proper divisors (1).

28301711 is an equidigital number, since it uses as much as digits as its factorization.

28301711 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 23.

The square root of 28301711 is about 5319.9352439668. The cubic root of 28301711 is about 304.7456842693.

The spelling of 28301711 in words is "twenty-eight million, three hundred one thousand, seven hundred eleven".