791563763 has 4 divisors (see below), whose sum is σ = 792618528. Its totient is φ = 790509000.

The previous prime is 791563733. The next prime is 791563789. The reversal of 791563763 is 367365197.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 367365197 = 10247 ⋅35851.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-791563763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (791563723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 526256 + ... + 527757.

It is an arithmetic number, because the mean of its divisors is an integer number (198154632).

Almost surely, 2^791563763 is an apocalyptic number.

791563763 is a deficient number, since it is larger than the sum of its proper divisors (1054765).

791563763 is a wasteful number, since it uses less digits than its factorization.

791563763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1054764.

The product of its digits is 714420, while the sum is 47.

The square root of 791563763 is about 28134.7429879855. The cubic root of 791563763 is about 925.0431002075.

The spelling of 791563763 in words is "seven hundred ninety-one million, five hundred sixty-three thousand, seven hundred sixty-three".