28883279 has 2 divisors, whose sum is σ = 28883280. Its totient is φ = 28883278.

The previous prime is 28883243. The next prime is 28883291. The reversal of 28883279 is 97238882.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28883279 - 2²⁴ = 12106063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28883209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14441639 + 14441640.

It is an arithmetic number, because the mean of its divisors is an integer number (14441640).

Almost surely, 2^28883279 is an apocalyptic number.

28883279 is a deficient number, since it is larger than the sum of its proper divisors (1).

28883279 is an equidigital number, since it uses as much as digits as its factorization.

28883279 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 387072, while the sum is 47.

The square root of 28883279 is about 5374.3166077186. The cubic root of 28883279 is about 306.8189399464.

The spelling of 28883279 in words is "twenty-eight million, eight hundred eighty-three thousand, two hundred seventy-nine".