805199835 has 32 divisors (see below), whose sum is σ = 1409375232. Its totient is φ = 389306880.

The previous prime is 805199833. The next prime is 805199839. The reversal of 805199835 is 538991508.

It is not a de Polignac number, because 805199835 - 2¹ = 805199833 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (805199831) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53907 + ... + 67203.

It is an arithmetic number, because the mean of its divisors is an integer number (44042976).

Almost surely, 2^805199835 is an apocalyptic number.

805199835 is a deficient number, since it is larger than the sum of its proper divisors (604175397).

805199835 is a wasteful number, since it uses less digits than its factorization.

805199835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13683.

The product of its (nonzero) digits is 388800, while the sum is 48.

The square root of 805199835 is about 28376.0433288364. The cubic root of 805199835 is about 930.3247160699.

It can be divided in two parts, 80 and 5199835, that added together give a palindrome (5199915).

The spelling of 805199835 in words is "eight hundred five million, one hundred ninety-nine thousand, eight hundred thirty-five".