873806534399 has 2 divisors, whose sum is σ = 873806534400. Its totient is φ = 873806534398.

The previous prime is 873806534389. The next prime is 873806534407. The reversal of 873806534399 is 993435608378.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 873806534399 - 2⁴ = 873806534383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (873806534309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 436903267199 + 436903267200.

It is an arithmetic number, because the mean of its divisors is an integer number (436903267200).

Almost surely, 2^873806534399 is an apocalyptic number.

873806534399 is a deficient number, since it is larger than the sum of its proper divisors (1).

873806534399 is an equidigital number, since it uses as much as digits as its factorization.

873806534399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 117573120, while the sum is 65.

The spelling of 873806534399 in words is "eight hundred seventy-three billion, eight hundred six million, five hundred thirty-four thousand, three hundred ninety-nine".