805852853 has 8 divisors (see below), whose sum is σ = 918891288. Its totient is φ = 700107264.

The previous prime is 805852849. The next prime is 805852867. The reversal of 805852853 is 358258508.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 332442289 + 473410564 = 18233^2 + 21758^2 .

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 805852853 - 2² = 805852849 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 (805852813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1822976 + ... + 1823417.

It is an arithmetic number, because the mean of its divisors is an integer number (114861411).

Almost surely, 2^805852853 is an apocalyptic number.

It is an amenable number.

805852853 is a deficient number, since it is larger than the sum of its proper divisors (113038435).

805852853 is a wasteful number, since it uses less digits than its factorization.

805852853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3646423.

The product of its (nonzero) digits is 384000, while the sum is 44.

The square root of 805852853 is about 28387.5474988594. The cubic root of 805852853 is about 930.5761462534.

It can be divided in two parts, 80585 and 2853, that added together give a palindrome (83438).

The spelling of 805852853 in words is "eight hundred five million, eight hundred fifty-two thousand, eight hundred fifty-three".