28888063 has 4 divisors (see below), whose sum is σ = 29819968. Its totient is φ = 27956160.

The previous prime is 28888051. The next prime is 28888087. The reversal of 28888063 is 36088882.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28888063 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 (28888003) 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, 465906 + ... + 465967.

It is an arithmetic number, because the mean of its divisors is an integer number (7454992).

Almost surely, 2^28888063 is an apocalyptic number.

28888063 is a deficient number, since it is larger than the sum of its proper divisors (931905).

28888063 is an equidigital number, since it uses as much as digits as its factorization.

28888063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 931904.

The product of its (nonzero) digits is 147456, while the sum is 43.

The square root of 28888063 is about 5374.7616691347. The cubic root of 28888063 is about 306.8358787062.

The spelling of 28888063 in words is "twenty-eight million, eight hundred eighty-eight thousand, sixty-three".