868465873 has 4 divisors (see below), whose sum is σ = 947417328. Its totient is φ = 789514420.

The previous prime is 868465849. The next prime is 868465877. The reversal of 868465873 is 378564868.

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 868465873 - 2⁹ = 868465361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (868465877) 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, 39475711 + ... + 39475732.

It is an arithmetic number, because the mean of its divisors is an integer number (236854332).

Almost surely, 2^868465873 is an apocalyptic number.

It is an amenable number.

868465873 is a deficient number, since it is larger than the sum of its proper divisors (78951455).

868465873 is a wasteful number, since it uses less digits than its factorization.

868465873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78951454.

The product of its digits is 7741440, while the sum is 55.

The square root of 868465873 is about 29469.7450447064. The cubic root of 868465873 is about 954.0788145766.

The spelling of 868465873 in words is "eight hundred sixty-eight million, four hundred sixty-five thousand, eight hundred seventy-three".