28975063 has 8 divisors (see below), whose sum is σ = 31314528. Its totient is φ = 26651424.

The previous prime is 28974989. The next prime is 28975081. The reversal of 28975063 is 36057982.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28975063 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 (28975663) 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, 6 + ... + 7612.

It is an arithmetic number, because the mean of its divisors is an integer number (3914316).

Almost surely, 2^28975063 is an apocalyptic number.

28975063 is a deficient number, since it is larger than the sum of its proper divisors (2339465).

28975063 is a wasteful number, since it uses less digits than its factorization.

28975063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7913.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 28975063 is about 5382.8489668576. The cubic root of 28975063 is about 307.1435948268.

The spelling of 28975063 in words is "twenty-eight million, nine hundred seventy-five thousand, sixty-three".