863131852 has 24 divisors (see below), whose sum is σ = 1670375952. Its totient is φ = 386956800.

The previous prime is 863131847. The next prime is 863131859. The reversal of 863131852 is 258131368.

863131852 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (863131859) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131149 + ... + 137572.

It is an arithmetic number, because the mean of its divisors is an integer number (69598998).

Almost surely, 2^863131852 is an apocalyptic number.

It is an amenable number.

863131852 is a deficient number, since it is larger than the sum of its proper divisors (807244100).

863131852 is a wasteful number, since it uses less digits than its factorization.

863131852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268809 (or 268807 counting only the distinct ones).

The product of its digits is 34560, while the sum is 37.

The square root of 863131852 is about 29379.1057045649. The cubic root of 863131852 is about 952.1215198666.

The spelling of 863131852 in words is "eight hundred sixty-three million, one hundred thirty-one thousand, eight hundred fifty-two".