28083875 has 16 divisors (see below), whose sum is σ = 35256000. Its totient is φ = 22334400.

The previous prime is 28083871. The next prime is 28083931. The reversal of 28083875 is 57838082.

It is not a de Polignac number, because 28083875 - 2² = 28083871 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28083871) 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, 24311 + ... + 25439.

It is an arithmetic number, because the mean of its divisors is an integer number (2203500).

Almost surely, 2^28083875 is an apocalyptic number.

28083875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

28083875 is a deficient number, since it is larger than the sum of its proper divisors (7172125).

28083875 is a wasteful number, since it uses less digits than its factorization.

28083875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1343 (or 1333 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 41.

The square root of 28083875 is about 5299.4221383090. The cubic root of 28083875 is about 303.9618019584.

The spelling of 28083875 in words is "twenty-eight million, eighty-three thousand, eight hundred seventy-five".