28833487 has 2 divisors, whose sum is σ = 28833488. Its totient is φ = 28833486.

The previous prime is 28833473. The next prime is 28833491. The reversal of 28833487 is 78433882.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28833487 - 2¹⁵ = 28800719 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28863487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14416743 + 14416744.

It is an arithmetic number, because the mean of its divisors is an integer number (14416744).

Almost surely, 2^28833487 is an apocalyptic number.

28833487 is a deficient number, since it is larger than the sum of its proper divisors (1).

28833487 is an equidigital number, since it uses as much as digits as its factorization.

28833487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 258048, while the sum is 43.

The square root of 28833487 is about 5369.6822066115. The cubic root of 28833487 is about 306.6425297376.

The spelling of 28833487 in words is "twenty-eight million, eight hundred thirty-three thousand, four hundred eighty-seven".