28282063 has 4 divisors (see below), whose sum is σ = 28761480. Its totient is φ = 27802648.

The previous prime is 28282057. The next prime is 28282099. The reversal of 28282063 is 36028282.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 28282063 - 2¹³ = 28273871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28282043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 239620 + ... + 239737.

It is an arithmetic number, because the mean of its divisors is an integer number (7190370).

Almost surely, 2^28282063 is an apocalyptic number.

28282063 is a deficient number, since it is larger than the sum of its proper divisors (479417).

28282063 is an equidigital number, since it uses as much as digits as its factorization.

28282063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479416.

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 28282063 is about 5318.0882843368. The cubic root of 28282063 is about 304.6751463744.

The spelling of 28282063 in words is "twenty-eight million, two hundred eighty-two thousand, sixty-three".