289119977 has 2 divisors, whose sum is σ = 289119978. Its totient is φ = 289119976.

The previous prime is 289119899. The next prime is 289119997. The reversal of 289119977 is 779911982.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 214798336 + 74321641 = 14656^2 + 8621^2 .

It is a cyclic number.

It is not a de Polignac number, because 289119977 - 2²⁰ = 288071401 is a prime.

It is a super-2 number, since 2×289119977² = 167180722200961058, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (289119997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144559988 + 144559989.

It is an arithmetic number, because the mean of its divisors is an integer number (144559989).

Almost surely, 2^289119977 is an apocalyptic number.

It is an amenable number.

289119977 is a deficient number, since it is larger than the sum of its proper divisors (1).

289119977 is an equidigital number, since it uses as much as digits as its factorization.

289119977 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 571536, while the sum is 53.

The square root of 289119977 is about 17003.5283691356. The cubic root of 289119977 is about 661.2403801474.

The spelling of 289119977 in words is "two hundred eighty-nine million, one hundred nineteen thousand, nine hundred seventy-seven".