768469393 has 2 divisors, whose sum is σ = 768469394. Its totient is φ = 768469392.

The previous prime is 768469363. The next prime is 768469409. The reversal of 768469393 is 393964867.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 764356609 + 4112784 = 27647^2 + 2028^2 .

It is a cyclic number.

It is not a de Polignac number, because 768469393 - 2⁹ = 768468881 is a prime.

It is not a weakly prime, because it can be changed into another prime (768469333) 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, 384234696 + 384234697.

It is an arithmetic number, because the mean of its divisors is an integer number (384234697).

Almost surely, 2^768469393 is an apocalyptic number.

It is an amenable number.

768469393 is a deficient number, since it is larger than the sum of its proper divisors (1).

768469393 is an equidigital number, since it uses as much as digits as its factorization.

768469393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5878656, while the sum is 55.

The square root of 768469393 is about 27721.2805079419. The cubic root of 768469393 is about 915.9579257862.

It can be divided in two parts, 7684 and 69393, that added together give a palindrome (77077).

The spelling of 768469393 in words is "seven hundred sixty-eight million, four hundred sixty-nine thousand, three hundred ninety-three".