788641093 has 2 divisors, whose sum is σ = 788641094. Its totient is φ = 788641092.

The previous prime is 788641081. The next prime is 788641129. The reversal of 788641093 is 390146887.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 394936129 + 393704964 = 19873^2 + 19842^2 .

It is a cyclic number.

It is not a de Polignac number, because 788641093 - 2²¹ = 786543941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (788641003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 394320546 + 394320547.

It is an arithmetic number, because the mean of its divisors is an integer number (394320547).

Almost surely, 2^788641093 is an apocalyptic number.

It is an amenable number.

788641093 is a deficient number, since it is larger than the sum of its proper divisors (1).

788641093 is an equidigital number, since it uses as much as digits as its factorization.

788641093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 290304, while the sum is 46.

The square root of 788641093 is about 28082.7543698976. The cubic root of 788641093 is about 923.9031920247.

The spelling of 788641093 in words is "seven hundred eighty-eight million, six hundred forty-one thousand, ninety-three".