868438463 has 2 divisors, whose sum is σ = 868438464. Its totient is φ = 868438462.

The previous prime is 868438457. The next prime is 868438469. The reversal of 868438463 is 364834868.

It is a balanced prime because it is at equal distance from previous prime (868438457) and next prime (868438469).

It is a cyclic number.

It is not a de Polignac number, because 868438463 - 2²⁴ = 851661247 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (868438469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 434219231 + 434219232.

It is an arithmetic number, because the mean of its divisors is an integer number (434219232).

Almost surely, 2^868438463 is an apocalyptic number.

868438463 is a deficient number, since it is larger than the sum of its proper divisors (1).

868438463 is an equidigital number, since it uses as much as digits as its factorization.

868438463 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2654208, while the sum is 50.

The square root of 868438463 is about 29469.2799878110. The cubic root of 868438463 is about 954.0687771162.

The spelling of 868438463 in words is "eight hundred sixty-eight million, four hundred thirty-eight thousand, four hundred sixty-three".