28655063 has 8 divisors (see below), whose sum is σ = 29085840. Its totient is φ = 28226880.

The previous prime is 28655051. The next prime is 28655083. The reversal of 28655063 is 36055682.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28655063 - 2¹⁴ = 28638679 is a prime.

It is a super-2 number, since 2×28655063² = 1642225271067938, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28655083) 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 in 7 ways as a sum of consecutive naturals, for example, 34928 + ... + 35738.

It is an arithmetic number, because the mean of its divisors is an integer number (3635730).

Almost surely, 2^28655063 is an apocalyptic number.

28655063 is a deficient number, since it is larger than the sum of its proper divisors (430777).

28655063 is an equidigital number, since it uses as much as digits as its factorization.

28655063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1297.

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 28655063 is about 5353.0424059594. The cubic root of 28655063 is about 306.0087107891.

The spelling of 28655063 in words is "twenty-eight million, six hundred fifty-five thousand, sixty-three".