780607563 has 4 divisors (see below), whose sum is σ = 1040810088. Its totient is φ = 520405040.

The previous prime is 780607543. The next prime is 780607577. The reversal of 780607563 is 365706087.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 365706087 = 3 ⋅121902029.

It is a cyclic number.

It is not a de Polignac number, because 780607563 - 2⁸ = 780607307 is a prime.

It is not an unprimeable number, because it can be changed into a prime (780607523) 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 3 ways as a sum of consecutive naturals, for example, 130101258 + ... + 130101263.

It is an arithmetic number, because the mean of its divisors is an integer number (260202522).

Almost surely, 2^780607563 is an apocalyptic number.

780607563 is a deficient number, since it is larger than the sum of its proper divisors (260202525).

780607563 is a wasteful number, since it uses less digits than its factorization.

780607563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260202524.

The product of its (nonzero) digits is 211680, while the sum is 42.

The square root of 780607563 is about 27939.3550927719. The cubic root of 780607563 is about 920.7553512271.

The spelling of 780607563 in words is "seven hundred eighty million, six hundred seven thousand, five hundred sixty-three".