780006683 has 2 divisors, whose sum is σ = 780006684. Its totient is φ = 780006682.

The previous prime is 780006653. The next prime is 780006719. The reversal of 780006683 is 386600087.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-780006683 is a prime.

It is not a weakly prime, because it can be changed into another prime (780006653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 390003341 + 390003342.

It is an arithmetic number, because the mean of its divisors is an integer number (390003342).

Almost surely, 2^780006683 is an apocalyptic number.

780006683 is a deficient number, since it is larger than the sum of its proper divisors (1).

780006683 is an equidigital number, since it uses as much as digits as its factorization.

780006683 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 780006683 is about 27928.5997321742. The cubic root of 780006683 is about 920.5190372232.

The spelling of 780006683 in words is "seven hundred eighty million, six thousand, six hundred eighty-three".