288728770 has 16 divisors (see below), whose sum is σ = 566958528. Its totient is φ = 104992240.

The previous prime is 288728767. The next prime is 288728771. The reversal of 288728770 is 77827882.

288728770 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (288728771) 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 7 ways as a sum of consecutive naturals, for example, 1312294 + ... + 1312513.

It is an arithmetic number, because the mean of its divisors is an integer number (35434908).

Almost surely, 2^288728770 is an apocalyptic number.

288728770 is a deficient number, since it is larger than the sum of its proper divisors (278229758).

288728770 is a wasteful number, since it uses less digits than its factorization.

288728770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2624825.

The product of its (nonzero) digits is 702464, while the sum is 49.

The square root of 288728770 is about 16992.0207744694. The cubic root of 288728770 is about 660.9420050234.

The spelling of 288728770 in words is "two hundred eighty-eight million, seven hundred twenty-eight thousand, seven hundred seventy".