288948775 has 6 divisors (see below), whose sum is σ = 358296512. Its totient is φ = 231159000.

The previous prime is 288948773. The next prime is 288948791. The reversal of 288948775 is 577849882.

It is not a de Polignac number, because 288948775 - 2¹ = 288948773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (288948773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5778951 + ... + 5779000.

Almost surely, 2^288948775 is an apocalyptic number.

288948775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

288948775 is a deficient number, since it is larger than the sum of its proper divisors (69347737).

288948775 is a wasteful number, since it uses less digits than its factorization.

288948775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11557961 (or 11557956 counting only the distinct ones).

The product of its digits is 9031680, while the sum is 58.

The square root of 288948775 is about 16998.4933155854. The cubic root of 288948775 is about 661.1098368473.

The spelling of 288948775 in words is "two hundred eighty-eight million, nine hundred forty-eight thousand, seven hundred seventy-five".