288796889 has 2 divisors, whose sum is σ = 288796890. Its totient is φ = 288796888.

The previous prime is 288796847. The next prime is 288796897. The reversal of 288796889 is 988697882.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 186786889 + 102010000 = 13667^2 + 10100^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-288796889 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (288796829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144398444 + 144398445.

It is an arithmetic number, because the mean of its divisors is an integer number (144398445).

Almost surely, 2^288796889 is an apocalyptic number.

It is an amenable number.

288796889 is a deficient number, since it is larger than the sum of its proper divisors (1).

288796889 is an equidigital number, since it uses as much as digits as its factorization.

288796889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27869184, while the sum is 65.

The square root of 288796889 is about 16994.0250970746. The cubic root of 288796889 is about 660.9939790245.

The spelling of 288796889 in words is "two hundred eighty-eight million, seven hundred ninety-six thousand, eight hundred eighty-nine".