864173147 has 8 divisors (see below), whose sum is σ = 893919600. Its totient is φ = 834763104.

The previous prime is 864173137. The next prime is 864173207. The reversal of 864173147 is 741371468.

864173147 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 864173147 - 2⁶ = 864173083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (864173137) 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, 78872 + ... + 89157.

It is an arithmetic number, because the mean of its divisors is an integer number (111739950).

Almost surely, 2^864173147 is an apocalyptic number.

864173147 is a deficient number, since it is larger than the sum of its proper divisors (29746453).

864173147 is a wasteful number, since it uses less digits than its factorization.

864173147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168205.

The product of its digits is 112896, while the sum is 41.

The square root of 864173147 is about 29396.8220561339. The cubic root of 864173147 is about 952.5042504799.

The spelling of 864173147 in words is "eight hundred sixty-four million, one hundred seventy-three thousand, one hundred forty-seven".