805435147 has 16 divisors (see below), whose sum is σ = 893306880. Its totient is φ = 720059200.

The previous prime is 805435123. The next prime is 805435157. The reversal of 805435147 is 741534508.

It is a cyclic number.

It is not a de Polignac number, because 805435147 - 2¹¹ = 805433099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (805435157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 373023 + ... + 375175.

It is an arithmetic number, because the mean of its divisors is an integer number (55831680).

Almost surely, 2^805435147 is an apocalyptic number.

805435147 is a deficient number, since it is larger than the sum of its proper divisors (87871733).

805435147 is a wasteful number, since it uses less digits than its factorization.

805435147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2714.

The product of its (nonzero) digits is 67200, while the sum is 37.

The square root of 805435147 is about 28380.1893404537. The cubic root of 805435147 is about 930.4153334290.

The spelling of 805435147 in words is "eight hundred five million, four hundred thirty-five thousand, one hundred forty-seven".