28850075 has 12 divisors (see below), whose sum is σ = 37657560. Its totient is φ = 21864960.

The previous prime is 28850051. The next prime is 28850077. The reversal of 28850075 is 57005882.

It is a de Polignac number, because none of the positive numbers 2^k-28850075 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28850077) 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, 29894 + ... + 30843.

It is an arithmetic number, because the mean of its divisors is an integer number (3138130).

Almost surely, 2^28850075 is an apocalyptic number.

28850075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

28850075 is a deficient number, since it is larger than the sum of its proper divisors (8807485).

28850075 is a wasteful number, since it uses less digits than its factorization.

28850075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60766 (or 60761 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 35.

The square root of 28850075 is about 5371.2265824484. The cubic root of 28850075 is about 306.7013226167.

The spelling of 28850075 in words is "twenty-eight million, eight hundred fifty thousand, seventy-five".