868432817 has 4 divisors (see below), whose sum is σ = 992494656. Its totient is φ = 744370980.

The previous prime is 868432801. The next prime is 868432819. The reversal of 868432817 is 718234868.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 868432817 - 2⁴ = 868432801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (868432819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62030909 + ... + 62030922.

It is an arithmetic number, because the mean of its divisors is an integer number (248123664).

Almost surely, 2^868432817 is an apocalyptic number.

It is an amenable number.

868432817 is a deficient number, since it is larger than the sum of its proper divisors (124061839).

868432817 is a wasteful number, since it uses less digits than its factorization.

868432817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124061838.

The product of its digits is 516096, while the sum is 47.

The square root of 868432817 is about 29469.1841929837. The cubic root of 868432817 is about 954.0667095415.

The spelling of 868432817 in words is "eight hundred sixty-eight million, four hundred thirty-two thousand, eight hundred seventeen".