799329961 has 2 divisors, whose sum is σ = 799329962. Its totient is φ = 799329960.

The previous prime is 799329959. The next prime is 799329989. The reversal of 799329961 is 169923997.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 799136361 + 193600 = 28269^2 + 440^2 .

It is a cyclic number.

It is not a de Polignac number, because 799329961 - 2¹ = 799329959 is a prime.

Together with 799329959, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (799329901) 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, 399664980 + 399664981.

It is an arithmetic number, because the mean of its divisors is an integer number (399664981).

Almost surely, 2^799329961 is an apocalyptic number.

It is an amenable number.

799329961 is a deficient number, since it is larger than the sum of its proper divisors (1).

799329961 is an equidigital number, since it uses as much as digits as its factorization.

799329961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1653372, while the sum is 55.

The square root of 799329961 is about 28272.4240382745. The cubic root of 799329961 is about 928.0585238712.

The spelling of 799329961 in words is "seven hundred ninety-nine million, three hundred twenty-nine thousand, nine hundred sixty-one".