791922563 has 2 divisors, whose sum is σ = 791922564. Its totient is φ = 791922562.

The previous prime is 791922553. The next prime is 791922583. The reversal of 791922563 is 365229197.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 791922563 - 2²⁰ = 790873987 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (791922553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 395961281 + 395961282.

It is an arithmetic number, because the mean of its divisors is an integer number (395961282).

Almost surely, 2^791922563 is an apocalyptic number.

791922563 is a deficient number, since it is larger than the sum of its proper divisors (1).

791922563 is an equidigital number, since it uses as much as digits as its factorization.

791922563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 204120, while the sum is 44.

The square root of 791922563 is about 28141.1187233202. The cubic root of 791922563 is about 925.1828469315.

The spelling of 791922563 in words is "seven hundred ninety-one million, nine hundred twenty-two thousand, five hundred sixty-three".