28788063 has 16 divisors (see below), whose sum is σ = 39298176. Its totient is φ = 18738720.

The previous prime is 28788049. The next prime is 28788077. The reversal of 28788063 is 36088782.

It is an interprime number because it is at equal distance from previous prime (28788049) and next prime (28788077).

It is not a de Polignac number, because 28788063 - 2¹² = 28783967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28788163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52356 + ... + 52902.

It is an arithmetic number, because the mean of its divisors is an integer number (2456136).

Almost surely, 2^28788063 is an apocalyptic number.

28788063 is a deficient number, since it is larger than the sum of its proper divisors (10510113).

28788063 is a wasteful number, since it uses less digits than its factorization.

28788063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 934.

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 28788063 is about 5365.4508664231. The cubic root of 28788063 is about 306.4814178658.

The spelling of 28788063 in words is "twenty-eight million, seven hundred eighty-eight thousand, sixty-three".