868104287 has 2 divisors, whose sum is σ = 868104288. Its totient is φ = 868104286.

The previous prime is 868104283. The next prime is 868104301. The reversal of 868104287 is 782401868.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 868104287 - 2² = 868104283 is a prime.

It is a super-3 number, since 3×868104287³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (868104283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 434052143 + 434052144.

It is an arithmetic number, because the mean of its divisors is an integer number (434052144).

Almost surely, 2^868104287 is an apocalyptic number.

868104287 is a deficient number, since it is larger than the sum of its proper divisors (1).

868104287 is an equidigital number, since it uses as much as digits as its factorization.

868104287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 172032, while the sum is 44.

The square root of 868104287 is about 29463.6095378689. The cubic root of 868104287 is about 953.9463858722.

The spelling of 868104287 in words is "eight hundred sixty-eight million, one hundred four thousand, two hundred eighty-seven".