868532717 has 8 divisors (see below), whose sum is σ = 937681080. Its totient is φ = 799718400.

The previous prime is 868532713. The next prime is 868532723. The reversal of 868532717 is 717235868.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 26894596 + 841638121 = 5186^2 + 29011^2 .

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

It is not a de Polignac number, because 868532717 - 2² = 868532713 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 (868532713) 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, 78092 + ... + 88517.

It is an arithmetic number, because the mean of its divisors is an integer number (117210135).

Almost surely, 2^868532717 is an apocalyptic number.

It is an amenable number.

868532717 is a deficient number, since it is larger than the sum of its proper divisors (69148363).

868532717 is a wasteful number, since it uses less digits than its factorization.

868532717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167023.

The product of its digits is 564480, while the sum is 47.

The square root of 868532717 is about 29470.8791351734. The cubic root of 868532717 is about 954.1032917649.

The spelling of 868532717 in words is "eight hundred sixty-eight million, five hundred thirty-two thousand, seven hundred seventeen".