288011797 has 2 divisors, whose sum is σ = 288011798. Its totient is φ = 288011796.

The previous prime is 288011771. The next prime is 288011803. The reversal of 288011797 is 797110882.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 229855921 + 58155876 = 15161^2 + 7626^2 .

It is a cyclic number.

It is not a de Polignac number, because 288011797 - 2¹⁹ = 287487509 is a prime.

It is a super-2 number, since 2×288011797² = 165901590422338418, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (288011767) 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 as a sum of consecutive naturals, namely, 144005898 + 144005899.

It is an arithmetic number, because the mean of its divisors is an integer number (144005899).

Almost surely, 2^288011797 is an apocalyptic number.

It is an amenable number.

288011797 is a deficient number, since it is larger than the sum of its proper divisors (1).

288011797 is an equidigital number, since it uses as much as digits as its factorization.

288011797 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56448, while the sum is 43.

The square root of 288011797 is about 16970.9103173637. The cubic root of 288011797 is about 660.3944665159.

The spelling of 288011797 in words is "two hundred eighty-eight million, eleven thousand, seven hundred ninety-seven".