288130793 has 4 divisors (see below), whose sum is σ = 288269268. Its totient is φ = 287992320.

The previous prime is 288130769. The next prime is 288130811. The reversal of 288130793 is 397031882.

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

It can be written as a sum of positive squares in 2 ways, for example, as 105124009 + 183006784 = 10253^2 + 13528^2 .

It is a cyclic number.

It is not a de Polignac number, because 288130793 - 2²⁶ = 221021929 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 288130793.

It is not an unprimeable number, because it can be changed into a prime (288130693) 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 3 ways as a sum of consecutive naturals, for example, 66068 + ... + 70293.

It is an arithmetic number, because the mean of its divisors is an integer number (72067317).

Almost surely, 2^288130793 is an apocalyptic number.

It is an amenable number.

288130793 is a deficient number, since it is larger than the sum of its proper divisors (138475).

288130793 is a wasteful number, since it uses less digits than its factorization.

288130793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138474.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 288130793 is about 16974.4158367821. The cubic root of 288130793 is about 660.4854043184.

The spelling of 288130793 in words is "two hundred eighty-eight million, one hundred thirty thousand, seven hundred ninety-three".