790766489 has 2 divisors, whose sum is σ = 790766490. Its totient is φ = 790766488.

The previous prime is 790766447. The next prime is 790766503. The reversal of 790766489 is 984667097.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 592435600 + 198330889 = 24340^2 + 14083^2 .

It is a cyclic number.

It is not a de Polignac number, because 790766489 - 2⁸ = 790766233 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (790766089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 395383244 + 395383245.

It is an arithmetic number, because the mean of its divisors is an integer number (395383245).

Almost surely, 2^790766489 is an apocalyptic number.

It is an amenable number.

790766489 is a deficient number, since it is larger than the sum of its proper divisors (1).

790766489 is an equidigital number, since it uses as much as digits as its factorization.

790766489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4572288, while the sum is 56.

The square root of 790766489 is about 28120.5705667577. The cubic root of 790766489 is about 924.7324237984.

The spelling of 790766489 in words is "seven hundred ninety million, seven hundred sixty-six thousand, four hundred eighty-nine".