868254847 has 2 divisors, whose sum is σ = 868254848. Its totient is φ = 868254846.

The previous prime is 868254841. The next prime is 868254911. The reversal of 868254847 is 748452868.

It is a happy number.

868254847 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 868254847 - 2¹⁹ = 867730559 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 868254794 and 868254803.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (868254841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 434127423 + 434127424.

It is an arithmetic number, because the mean of its divisors is an integer number (434127424).

Almost surely, 2^868254847 is an apocalyptic number.

868254847 is a deficient number, since it is larger than the sum of its proper divisors (1).

868254847 is an equidigital number, since it uses as much as digits as its factorization.

868254847 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3440640, while the sum is 52.

The square root of 868254847 is about 29466.1644433068. The cubic root of 868254847 is about 954.0015320367.

The spelling of 868254847 in words is "eight hundred sixty-eight million, two hundred fifty-four thousand, eight hundred forty-seven".