791922553 has 2 divisors, whose sum is σ = 791922554. Its totient is φ = 791922552.

The previous prime is 791922541. The next prime is 791922563. The reversal of 791922553 is 355229197.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 589372729 + 202549824 = 24277^2 + 14232^2 .

It is a cyclic number.

It is not a de Polignac number, because 791922553 - 2⁹ = 791922041 is a prime.

It is not a weakly prime, because it can be changed into another prime (791922563) 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 as a sum of consecutive naturals, namely, 395961276 + 395961277.

It is an arithmetic number, because the mean of its divisors is an integer number (395961277).

Almost surely, 2^791922553 is an apocalyptic number.

It is an amenable number.

791922553 is a deficient number, since it is larger than the sum of its proper divisors (1).

791922553 is an equidigital number, since it uses as much as digits as its factorization.

791922553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 170100, while the sum is 43.

The square root of 791922553 is about 28141.1185456442. The cubic root of 791922553 is about 925.1828430373.

The spelling of 791922553 in words is "seven hundred ninety-one million, nine hundred twenty-two thousand, five hundred fifty-three".