857852803 has 2 divisors, whose sum is σ = 857852804. Its totient is φ = 857852802.

The previous prime is 857852797. The next prime is 857852813. The reversal of 857852803 is 308258758.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 857852803 - 2²⁹ = 320981891 is a prime.

It is a super-2 number, since 2×857852803² = 1471822863229913618, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (857852813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 428926401 + 428926402.

It is an arithmetic number, because the mean of its divisors is an integer number (428926402).

Almost surely, 2^857852803 is an apocalyptic number.

857852803 is a deficient number, since it is larger than the sum of its proper divisors (1).

857852803 is an equidigital number, since it uses as much as digits as its factorization.

857852803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 537600, while the sum is 46.

The square root of 857852803 is about 29289.1243126182. The cubic root of 857852803 is about 950.1764410969.

It can be divided in two parts, 85785 and 2803, that added together give a palindrome (88588).

The spelling of 857852803 in words is "eight hundred fifty-seven million, eight hundred fifty-two thousand, eight hundred three".