780683563 has 8 divisors (see below), whose sum is σ = 857372400. Its totient is φ = 704947680.

The previous prime is 780683507. The next prime is 780683569. The reversal of 780683563 is 365386087.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 780683563 - 2¹⁷ = 780552491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (780683569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 236520 + ... + 239797.

It is an arithmetic number, because the mean of its divisors is an integer number (107171550).

Almost surely, 2^780683563 is an apocalyptic number.

780683563 is a deficient number, since it is larger than the sum of its proper divisors (76688837).

780683563 is a wasteful number, since it uses less digits than its factorization.

780683563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476477.

The product of its (nonzero) digits is 725760, while the sum is 46.

The square root of 780683563 is about 27940.7151483279. The cubic root of 780683563 is about 920.7852318565.

The spelling of 780683563 in words is "seven hundred eighty million, six hundred eighty-three thousand, five hundred sixty-three".