28875063 has 12 divisors (see below), whose sum is σ = 44786040. Its totient is φ = 16499952.

The previous prime is 28875037. The next prime is 28875073. The reversal of 28875063 is 36057882.

It is not a de Polignac number, because 28875063 - 2⁵ = 28875031 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28875023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 98068 + ... + 98361.

It is an arithmetic number, because the mean of its divisors is an integer number (3732170).

Almost surely, 2^28875063 is an apocalyptic number.

28875063 is a deficient number, since it is larger than the sum of its proper divisors (15910977).

28875063 is a wasteful number, since it uses less digits than its factorization.

28875063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196446 (or 196439 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 28875063 is about 5373.5521770985. The cubic root of 28875063 is about 306.7898451027.

The spelling of 28875063 in words is "twenty-eight million, eight hundred seventy-five thousand, sixty-three".