805263995 has 8 divisors (see below), whose sum is σ = 967184016. Its totient is φ = 643633056.

The previous prime is 805263983. The next prime is 805263997. The reversal of 805263995 is 599362508.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 805263995 - 2²⁴ = 788486779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (805263997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66092 + ... + 77321.

It is an arithmetic number, because the mean of its divisors is an integer number (120898002).

Almost surely, 2^805263995 is an apocalyptic number.

805263995 is a deficient number, since it is larger than the sum of its proper divisors (161920021).

805263995 is a wasteful number, since it uses less digits than its factorization.

805263995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144541.

The product of its (nonzero) digits is 583200, while the sum is 47.

The square root of 805263995 is about 28377.1738374349. The cubic root of 805263995 is about 930.3494254840.

The spelling of 805263995 in words is "eight hundred five million, two hundred sixty-three thousand, nine hundred ninety-five".