768896393 has 2 divisors, whose sum is σ = 768896394. Its totient is φ = 768896392.

The previous prime is 768896369. The next prime is 768896461. The reversal of 768896393 is 393698867.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 766625344 + 2271049 = 27688^2 + 1507^2 .

It is a cyclic number.

It is not a de Polignac number, because 768896393 - 2¹² = 768892297 is a prime.

It is not a weakly prime, because it can be changed into another prime (768896993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 384448196 + 384448197.

It is an arithmetic number, because the mean of its divisors is an integer number (384448197).

Almost surely, 2^768896393 is an apocalyptic number.

It is an amenable number.

768896393 is a deficient number, since it is larger than the sum of its proper divisors (1).

768896393 is an equidigital number, since it uses as much as digits as its factorization.

768896393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11757312, while the sum is 59.

The square root of 768896393 is about 27728.9811028101. The cubic root of 768896393 is about 916.1275450404.

The spelling of 768896393 in words is "seven hundred sixty-eight million, eight hundred ninety-six thousand, three hundred ninety-three".