288728163 has 12 divisors (see below), whose sum is σ = 421352568. Its totient is φ = 190500480.

The previous prime is 288728107. The next prime is 288728207. The reversal of 288728163 is 361827882.

It is not a de Polignac number, because 288728163 - 2¹⁸ = 288466019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (288721163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 164493 + ... + 166238.

It is an arithmetic number, because the mean of its divisors is an integer number (35112714).

Almost surely, 2^288728163 is an apocalyptic number.

288728163 is a deficient number, since it is larger than the sum of its proper divisors (132624405).

288728163 is a wasteful number, since it uses less digits than its factorization.

288728163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330834 (or 330831 counting only the distinct ones).

The product of its digits is 258048, while the sum is 45.

The square root of 288728163 is about 16992.0029131353. The cubic root of 288728163 is about 660.9415418528.

The spelling of 288728163 in words is "two hundred eighty-eight million, seven hundred twenty-eight thousand, one hundred sixty-three".