853995827 has 4 divisors (see below), whose sum is σ = 854938296. Its totient is φ = 853053360.

The previous prime is 853995803. The next prime is 853995839. The reversal of 853995827 is 728599358.

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 853995827 - 2¹⁶ = 853930291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (853995887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 469874 + ... + 471687.

It is an arithmetic number, because the mean of its divisors is an integer number (213734574).

Almost surely, 2^853995827 is an apocalyptic number.

853995827 is a deficient number, since it is larger than the sum of its proper divisors (942469).

853995827 is an equidigital number, since it uses as much as digits as its factorization.

853995827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 942468.

The product of its digits is 5443200, while the sum is 56.

The square root of 853995827 is about 29223.2069937575. The cubic root of 853995827 is about 948.7502780453.

The spelling of 853995827 in words is "eight hundred fifty-three million, nine hundred ninety-five thousand, eight hundred twenty-seven".