871923799 has 2 divisors, whose sum is σ = 871923800. Its totient is φ = 871923798.

The previous prime is 871923791. The next prime is 871923803. The reversal of 871923799 is 997329178.

871923799 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 871923799 - 2³ = 871923791 is a prime.

It is a super-2 number, since 2×871923799² = 1520502222525184802, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (871923791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 435961899 + 435961900.

It is an arithmetic number, because the mean of its divisors is an integer number (435961900).

Almost surely, 2^871923799 is an apocalyptic number.

871923799 is a deficient number, since it is larger than the sum of its proper divisors (1).

871923799 is an equidigital number, since it uses as much as digits as its factorization.

871923799 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1714608, while the sum is 55.

The square root of 871923799 is about 29528.3558465418. The cubic root of 871923799 is about 955.3434065571.

The spelling of 871923799 in words is "eight hundred seventy-one million, nine hundred twenty-three thousand, seven hundred ninety-nine".