805373399 has 2 divisors, whose sum is σ = 805373400. Its totient is φ = 805373398.

The previous prime is 805373369. The next prime is 805373407. The reversal of 805373399 is 993373508.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 805373399 - 2²⁰ = 804324823 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (805373369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 402686699 + 402686700.

It is an arithmetic number, because the mean of its divisors is an integer number (402686700).

Almost surely, 2^805373399 is an apocalyptic number.

805373399 is a deficient number, since it is larger than the sum of its proper divisors (1).

805373399 is an equidigital number, since it uses as much as digits as its factorization.

805373399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 612360, while the sum is 47.

The square root of 805373399 is about 28379.1014480727. The cubic root of 805373399 is about 930.3915563215.

The spelling of 805373399 in words is "eight hundred five million, three hundred seventy-three thousand, three hundred ninety-nine".