864173852 has 24 divisors (see below), whose sum is σ = 1602205920. Its totient is φ = 406430720.

The previous prime is 864173777. The next prime is 864173897. The reversal of 864173852 is 258371468.

864173852 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174977 + ... + 179847.

It is an arithmetic number, because the mean of its divisors is an integer number (66758580).

Almost surely, 2^864173852 is an apocalyptic number.

It is an amenable number.

864173852 is a deficient number, since it is larger than the sum of its proper divisors (738032068).

864173852 is a wasteful number, since it uses less digits than its factorization.

864173852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7501 (or 7499 counting only the distinct ones).

The product of its digits is 322560, while the sum is 44.

The square root of 864173852 is about 29396.8340472235. The cubic root of 864173852 is about 952.5045095003.

The spelling of 864173852 in words is "eight hundred sixty-four million, one hundred seventy-three thousand, eight hundred fifty-two".