798827129 has 2 divisors, whose sum is σ = 798827130. Its totient is φ = 798827128.

The previous prime is 798827119. The next prime is 798827167. The reversal of 798827129 is 921728897.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 752953600 + 45873529 = 27440^2 + 6773^2 .

It is an emirp because it is prime and its reverse (921728897) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 798827129 - 2²⁴ = 782049913 is a prime.

It is not a weakly prime, because it can be changed into another prime (798827119) 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, 399413564 + 399413565.

It is an arithmetic number, because the mean of its divisors is an integer number (399413565).

Almost surely, 2^798827129 is an apocalyptic number.

It is an amenable number.

798827129 is a deficient number, since it is larger than the sum of its proper divisors (1).

798827129 is an equidigital number, since it uses as much as digits as its factorization.

798827129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1016064, while the sum is 53.

The square root of 798827129 is about 28263.5300166133. The cubic root of 798827129 is about 927.8638794258.

The spelling of 798827129 in words is "seven hundred ninety-eight million, eight hundred twenty-seven thousand, one hundred twenty-nine".