868530247 has 8 divisors (see below), whose sum is σ = 935584160. Its totient is φ = 801511200.

The previous prime is 868530197. The next prime is 868530259. The reversal of 868530247 is 742035868.

868530247 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 868530247 - 2²⁷ = 734312519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (868530277) 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, 68254 + ... + 79972.

It is an arithmetic number, because the mean of its divisors is an integer number (116948020).

Almost surely, 2^868530247 is an apocalyptic number.

868530247 is a deficient number, since it is larger than the sum of its proper divisors (67053913).

868530247 is a wasteful number, since it uses less digits than its factorization.

868530247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17433.

The product of its (nonzero) digits is 322560, while the sum is 43.

The square root of 868530247 is about 29470.8372293696. The cubic root of 868530247 is about 954.1023873133.

The spelling of 868530247 in words is "eight hundred sixty-eight million, five hundred thirty thousand, two hundred forty-seven".