288327955 has 4 divisors (see below), whose sum is σ = 345993552. Its totient is φ = 230662360.

The previous prime is 288327937. The next prime is 288327961. The reversal of 288327955 is 559723882.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 288327955 - 2⁷ = 288327827 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 288327899 and 288327908.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 28832791 + ... + 28832800.

It is an arithmetic number, because the mean of its divisors is an integer number (86498388).

Almost surely, 2^288327955 is an apocalyptic number.

288327955 is a deficient number, since it is larger than the sum of its proper divisors (57665597).

288327955 is an equidigital number, since it uses as much as digits as its factorization.

288327955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57665596.

The product of its digits is 1209600, while the sum is 49.

The square root of 288327955 is about 16980.2224661516. Note that the first 3 decimals coincide. The cubic root of 288327955 is about 660.6360221800.

The spelling of 288327955 in words is "two hundred eighty-eight million, three hundred twenty-seven thousand, nine hundred fifty-five".