768660443 has 2 divisors, whose sum is σ = 768660444. Its totient is φ = 768660442.

The previous prime is 768660439. The next prime is 768660467. The reversal of 768660443 is 344066867.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 768660443 - 2² = 768660439 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 768660394 and 768660403.

It is not a weakly prime, because it can be changed into another prime (768620443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 384330221 + 384330222.

It is an arithmetic number, because the mean of its divisors is an integer number (384330222).

Almost surely, 2^768660443 is an apocalyptic number.

768660443 is a deficient number, since it is larger than the sum of its proper divisors (1).

768660443 is an equidigital number, since it uses as much as digits as its factorization.

768660443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 580608, while the sum is 44.

The square root of 768660443 is about 27724.7262024353. The cubic root of 768660443 is about 916.0338252575.

The spelling of 768660443 in words is "seven hundred sixty-eight million, six hundred sixty thousand, four hundred forty-three".