853868632 has 16 divisors (see below), whose sum is σ = 1602759600. Its totient is φ = 426466080.

The previous prime is 853868627. The next prime is 853868633. The reversal of 853868632 is 236868358.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (853868633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50719 + ... + 65422.

It is an arithmetic number, because the mean of its divisors is an integer number (100172475).

Almost surely, 2^853868632 is an apocalyptic number.

It is an amenable number.

853868632 is a deficient number, since it is larger than the sum of its proper divisors (748890968).

853868632 is a wasteful number, since it uses less digits than its factorization.

853868632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117066 (or 117062 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 49.

The square root of 853868632 is about 29221.0306457524. The cubic root of 853868632 is about 948.7031730988.

The spelling of 853868632 in words is "eight hundred fifty-three million, eight hundred sixty-eight thousand, six hundred thirty-two".