853822551 has 16 divisors (see below), whose sum is σ = 1217997440. Its totient is φ = 530413920.

The previous prime is 853822547. The next prime is 853822573. The reversal of 853822551 is 155228358.

853822551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 853822551 - 2² = 853822547 is a prime.

It is a super-2 number, since 2×853822551² = 1458025897192295202, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (853822511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119305 + ... + 126258.

It is an arithmetic number, because the mean of its divisors is an integer number (76124840).

Almost surely, 2^853822551 is an apocalyptic number.

853822551 is a deficient number, since it is larger than the sum of its proper divisors (364174889).

853822551 is a wasteful number, since it uses less digits than its factorization.

853822551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245646.

The product of its digits is 96000, while the sum is 39.

The square root of 853822551 is about 29220.2421447872. The cubic root of 853822551 is about 948.6861064698.

The spelling of 853822551 in words is "eight hundred fifty-three million, eight hundred twenty-two thousand, five hundred fifty-one".