853986816 has 60 divisors (see below), whose sum is σ = 2464677072. Its totient is φ = 284660736.

The previous prime is 853986811. The next prime is 853986817. The reversal of 853986816 is 618689358.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (853986811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 88056 + ... + 97271.

Almost surely, 2^853986816 is an apocalyptic number.

It is an amenable number.

853986816 is an abundant number, since it is smaller than the sum of its proper divisors (1610690256).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

853986816 is a wasteful number, since it uses less digits than its factorization.

853986816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185351 (or 185332 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 54.

The square root of 853986816 is about 29223.0528179381. The cubic root of 853986816 is about 948.7469410974.

The spelling of 853986816 in words is "eight hundred fifty-three million, nine hundred eighty-six thousand, eight hundred sixteen".