788765413 has 2 divisors, whose sum is σ = 788765414. Its totient is φ = 788765412.

The previous prime is 788765389. The next prime is 788765429. The reversal of 788765413 is 314567887.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 571114404 + 217651009 = 23898^2 + 14753^2 .

It is a cyclic number.

It is not a de Polignac number, because 788765413 - 2⁹ = 788764901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (788765443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 394382706 + 394382707.

It is an arithmetic number, because the mean of its divisors is an integer number (394382707).

Almost surely, 2^788765413 is an apocalyptic number.

It is an amenable number.

788765413 is a deficient number, since it is larger than the sum of its proper divisors (1).

788765413 is an equidigital number, since it uses as much as digits as its factorization.

788765413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1128960, while the sum is 49.

The square root of 788765413 is about 28084.9677407684. The cubic root of 788765413 is about 923.9517369674.

The spelling of 788765413 in words is "seven hundred eighty-eight million, seven hundred sixty-five thousand, four hundred thirteen".