799147289 has 2 divisors, whose sum is σ = 799147290. Its totient is φ = 799147288.

The previous prime is 799147273. The next prime is 799147301. The reversal of 799147289 is 982741997.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 796368400 + 2778889 = 28220^2 + 1667^2 .

It is a cyclic number.

It is not a de Polignac number, because 799147289 - 2⁴ = 799147273 is a prime.

It is not a weakly prime, because it can be changed into another prime (799144289) 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, 399573644 + 399573645.

It is an arithmetic number, because the mean of its divisors is an integer number (399573645).

Almost surely, 2^799147289 is an apocalyptic number.

It is an amenable number.

799147289 is a deficient number, since it is larger than the sum of its proper divisors (1).

799147289 is an equidigital number, since it uses as much as digits as its factorization.

799147289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2286144, while the sum is 56.

The square root of 799147289 is about 28269.1932852708. The cubic root of 799147289 is about 927.9878216452.

The spelling of 799147289 in words is "seven hundred ninety-nine million, one hundred forty-seven thousand, two hundred eighty-nine".