868435679 has 12 divisors (see below), whose sum is σ = 956407536. Its totient is φ = 786950208.

The previous prime is 868435663. The next prime is 868435693. The reversal of 868435679 is 976534868.

It is not a de Polignac number, because 868435679 - 2⁴ = 868435663 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 (868435619) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43994 + ... + 60599.

It is an arithmetic number, because the mean of its divisors is an integer number (79700628).

Almost surely, 2^868435679 is an apocalyptic number.

868435679 is a deficient number, since it is larger than the sum of its proper divisors (87971857).

868435679 is a wasteful number, since it uses less digits than its factorization.

868435679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104654 (or 104635 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 56.

The square root of 868435679 is about 29469.2327521434. The cubic root of 868435679 is about 954.0677576118.

The spelling of 868435679 in words is "eight hundred sixty-eight million, four hundred thirty-five thousand, six hundred seventy-nine".