797439073 has 2 divisors, whose sum is σ = 797439074. Its totient is φ = 797439072.

The previous prime is 797439067. The next prime is 797439089. The reversal of 797439073 is 370934797.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 567249489 + 230189584 = 23817^2 + 15172^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-797439073 is a prime.

It is not a weakly prime, because it can be changed into another prime (797439473) 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, 398719536 + 398719537.

It is an arithmetic number, because the mean of its divisors is an integer number (398719537).

Almost surely, 2^797439073 is an apocalyptic number.

It is an amenable number.

797439073 is a deficient number, since it is larger than the sum of its proper divisors (1).

797439073 is an equidigital number, since it uses as much as digits as its factorization.

797439073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1000188, while the sum is 49.

The square root of 797439073 is about 28238.9637380694. The cubic root of 797439073 is about 927.3261436738.

The spelling of 797439073 in words is "seven hundred ninety-seven million, four hundred thirty-nine thousand, seventy-three".