805114279 has 2 divisors, whose sum is σ = 805114280. Its totient is φ = 805114278.

The previous prime is 805114249. The next prime is 805114291. The reversal of 805114279 is 972411508.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 805114279 - 2⁹ = 805113767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (805114249) 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, 402557139 + 402557140.

It is an arithmetic number, because the mean of its divisors is an integer number (402557140).

Almost surely, 2^805114279 is an apocalyptic number.

805114279 is a deficient number, since it is larger than the sum of its proper divisors (1).

805114279 is an equidigital number, since it uses as much as digits as its factorization.

805114279 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 37.

The square root of 805114279 is about 28374.5357495061. The cubic root of 805114279 is about 930.2917645478.

The spelling of 805114279 in words is "eight hundred five million, one hundred fourteen thousand, two hundred seventy-nine".