805853063 has 4 divisors (see below), whose sum is σ = 807776760. Its totient is φ = 803929368.

The previous prime is 805853051. The next prime is 805853071. The reversal of 805853063 is 360358508.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 805853063 - 2⁸ = 805852807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (805853863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 961220 + ... + 962057.

It is an arithmetic number, because the mean of its divisors is an integer number (201944190).

Almost surely, 2^805853063 is an apocalyptic number.

805853063 is a deficient number, since it is larger than the sum of its proper divisors (1923697).

805853063 is a wasteful number, since it uses less digits than its factorization.

805853063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1923696.

The product of its (nonzero) digits is 86400, while the sum is 38.

The square root of 805853063 is about 28387.5511976641. The cubic root of 805853063 is about 930.5762270874.

The spelling of 805853063 in words is "eight hundred five million, eight hundred fifty-three thousand, sixty-three".