790317089 has 2 divisors, whose sum is σ = 790317090. Its totient is φ = 790317088.

The previous prime is 790317061. The next prime is 790317091. The reversal of 790317089 is 980713097.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 397603600 + 392713489 = 19940^2 + 19817^2 .

It is a cyclic number.

It is not a de Polignac number, because 790317089 - 2¹² = 790312993 is a prime.

It is a super-2 number, since 2×790317089² = 1249202202330867842, which contains 22 as substring.

Together with 790317091, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (790317049) 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, 395158544 + 395158545.

It is an arithmetic number, because the mean of its divisors is an integer number (395158545).

Almost surely, 2^790317089 is an apocalyptic number.

It is an amenable number.

790317089 is a deficient number, since it is larger than the sum of its proper divisors (1).

790317089 is an equidigital number, since it uses as much as digits as its factorization.

790317089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 95256, while the sum is 44.

The square root of 790317089 is about 28112.5788393737. The cubic root of 790317089 is about 924.5572125711.

The spelling of 790317089 in words is "seven hundred ninety million, three hundred seventeen thousand, eighty-nine".